Out of 9919 infobox journals, 60 have an empty abbreviation parameter, 9475 have the same as guessed by the bot, 384 have something different. (0 have no computed abbreviation)

The first 50 mismatches, among pages with no ISO-4 redirects:

page title infobox title infobox abbrv bot guess validate lang matching LTWA patterns
Akropolis: Journal of Hellenic Studies Akropolis [Edit]

Akropolis [Edit]

Akrop.: J. Hell. Stud. [Create]

Akrop: J Hell Stud [Create]

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-polis	-p.	Multiple Languages
journal	j.	English,French
hellen-	hell.	Greek,Modern (1453- )
helléni-	hell.	French
Studie	Stud.	Dutch
studi		Indonesian
studi-	stud.	Indonesian,Norwegian
studies	stud.	English
Antonie van Leeuwenhoek (journal) Antonie van Leeuwenhoek Antonie van Leeuwenhoek [Edit]

Antonie van Leeuwenhoek [Edit]

Antonie Leeuwenhoek [Edit]

Antonie Leeuwenhoek [Edit]

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Antonie		ext
Antonie van Leeuwenhoek		ext
-ton	-t.	English
Capitalism: A Journal of History and Economics Capitalism [Edit]

Capitalism [Edit]

Capital.: J. Hist. Econ. [Create]

Capital: J Hist Econ [Create]

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capitali-	capital.	Spanish
journal	j.	English,French
histor-	hist.	English,French,Spanish
econom-	econ.	English,French
Carnets Geol. Carnets Geol. [Edit]

Carnets Geol [Edit]

Carnets Geol, [Create]

Carnets Geol, [Create]

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carnet		French
Chemistry: A European Journal Chem. Eur. J. [Edit]

Chem Eur J [Edit]

Chem.: Eur. J. [Edit]

Chem: Eur J [Edit]

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chemist-	chem.	English
europ-	eur.	Multiple Languages
journal	j.	English,French
Chinese Annals of Mathematics, Series B Chin. Ann. Math. Ser. B [Edit]

Chin Ann Math Ser B [Edit]

Chin. Ann. Math. B [Edit]

Chin Ann Math B [Edit]

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Chinese	Chin.	English
annal-	ann.	English,French
mathemat-	math.	English,French
serie	ser.	Multiple Languages
series	ser.	English
série-	sér.	French
EMBnet EMBnet.journal EMBnet.journal [Edit]

EMBnetjournal [Edit]

EMBnet.j. [Create]

EMBnetj [Create]

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journal	j.	English,French
Fondation Louis-de-Broglie Annales de la Fondation Louis de Broglie Ann. Fond. Louis de Broglie [Edit]

Ann Fond Louis de Broglie [Edit]

Ann. Fond. Louis Broglie [Edit]

Ann Fond Louis Broglie [Edit]

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annal-	ann.	English,French
fondation-	fond.	French
Louis de Broglie		ext
Global Studies Quarterly Glob. Stud. Q. [Create]

Glob Stud Q [Create]

Glob. Stud. Q. [Create]

Glob Stud Q [Create]

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global-	glob.	Multiple Languages
Studie	Stud.	Dutch
studi		Indonesian
studi-	stud.	Indonesian,Norwegian
studies	stud.	English
quarterly	q.	English
Historia: Zeitschrift für Alte Geschichte Historia [Edit]

Historia [Edit]

Hist.: Z. Alte Gesch. [Edit]

Hist: Z Alte Gesch [Edit]

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histor-	hist.	English,French,Spanish
Zeitschrift-	Z.	German
Geschichte	Gesch.	German
International Journal of Slavic Linguistics and Poetics IJSLP [Edit]

IJSLP [Edit]

Int. J. Slav. Linguist. Poet. [Create]

Int J Slav Linguist Poet [Create]

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internation-	int.	English,French
journal	j.	English,French
slavic	slav.	English
linguist-	linguist.	Multiple Languages
lingüíst-	lingüíst.	Spanish
poet-	poet.	Multiple Languages
Journal of Bisexuality J. Bisexuality [Edit]

J Bisexuality [Edit]

J. Bisex. [Edit]

J Bisex [Edit]

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journal	j.	English,French
bisexual-	bisex.	ext
Journal of Xenobiotics J. Xenobiot. [Edit]

J Xenobiot [Edit]

J. biot. [Create]

J biot [Create]

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journal	j.	English,French
xenobioti-	biot.	ext
Kritika: Explorations in Russian and Eurasian History Kritika [Edit]

Kritika [Edit]

Krit.: Explor. Russ. Eurasian Hist. [Create]

Krit: Explor Russ Eurasian Hist [Create]

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kriti-	krit.	German,Russian
kritik-	krit.	Hungarian,Lithuanian
explor-	explor.	English
russi-	russ.	English,French
Eurasia		German
-asia		Finnish
histor-	hist.	English,French,Spanish
Novel: A Forum on Fiction Novel [Edit]

Novel [Edit]

Nov.: Forum Fict. [Create]

Nov: Forum Fict [Create]

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novel-	nov.	English
forum		English,French,Latin
ficti-	fict.	French
Questions: Philosophy for Young People Questions [Edit]

Questions [Edit]

Quest.: Philos. Young People [Create]

Quest: Philos Young People [Create]

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question-	quest.	English,French
philosoph-	philos.	Multiple Languages
young-		English
people		English
The Critical Review (Chinese journal) [[{{native name{{!}}zh{{!}}学衡{{!}}italics=off}}]] Xueheng [Edit]

Xueheng [Edit]

{{native name{{!}}zh{{!}}学衡{{!}}ital.=off} [Create]

{{native name{{!}}zh{{!}}学衡{{!}}ital=off} [Create]

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}

all
itali-	ital.	French,Italian
The Pacific Review (journal) The Pacific Review Pac. Rev. [Edit]

Pac Rev [Edit]

Pac. Rev. [Edit]

Pac Rev [Edit]

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Pacific	Pac.	English
review-	rev.	English
Topic: The Washington & Jefferson College Review Topic [Edit]

Topic [Edit]

Top.: Wash. Jefferson Coll. Rev. [Create]

Top: Wash Jefferson Coll Rev [Create]

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topic-	top.	English
Washington	Wash.	English
-ton	-t.	English
Colleg	Coll.	German
college-	coll.	English,French
review-	rev.	English
Tragovi: Journal for Serbian and Croatian Topics Tragovi [Edit]

Tragovi [Edit]

Trag.: J. Serb. Croat. Top. [Create]

Trag: J Serb Croat Top [Create]

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tragovi	trag.	Bosnian
journal	j.	English,French
Sèrbia	Sèrb.	Italian
croati-	croat.	English,French,Latin
topic-	top.	English
Zeitschrift für Kristallographie – Crystalline Materials Z. Kristallogr. Cryst. Mater. [Edit]

Z Kristallogr Cryst Mater [Edit]

Z. Krist. – Cryst. Mater. [Create]

Z Krist – Cryst Mater [Create]

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Zeitschrift-	Z.	German
kristall-	krist.	German,Russian
-graph-	-gr.	English
crystalli-	cryst.	English
materia-	mater.	Italian,Latvian,Spanish
material-	mater.	Lithuanian,Slovak
materials	mater.	English
matéri-	matér.	French
Zeitschrift für Kristallographie – New Crystal Structures Z. Kristallogr. NCS [Edit]

Z Kristallogr NCS [Edit]

Z. Krist. – New Cryst. Struct. [Create]

Z Krist – New Cryst Struct [Create]

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Zeitschrift-	Z.	German
kristall-	krist.	German,Russian
-graph-	-gr.	English
crystal	cryst.	English
structur-	struct.	English,French