List of Latin-script pentagraphs
Wikimedia list article

In the Latin script, pentagraphs are found primarily in Irish orthography. There is one archaic pentagraph in German orthography, which is found in the English words Nietzschean and derivatives (Nietzscheanism, Nietzscheanist, Nietzscheism, Nietzscheist).
Examples
Irish
Used between a velarized ("broad") and a palatalized ("slender") consonant:
⟨abhai⟩, ⟨obhai⟩, ⟨odhai⟩, and ⟨oghai⟩ are used to write /əu̯/ (like RP 'oa' in 'goat'; /oː/ in Ulster)
⟨amhai⟩ is used to write /əu̯/
⟨adhai⟩ and ⟨aghai⟩ are used to write /əi̯/ (/eː/ in Ulster)
⟨aidhe⟩, ⟨aighe⟩, ⟨oidhi⟩, ⟨oidhe⟩, ⟨oighi⟩ and ⟨oidhe⟩ are used to write /əi̯/
⟨omhai⟩ is used to write /oː/
⟨umhai⟩ is used to write /uː/
Used between a slender and a broad consonant:
⟨eabha⟩ and ⟨eobha⟩ used to write /əu̯/ (/oː/ in Ulster)
⟨eamha⟩ is used to write /əu̯/
⟨eadha⟩ and ⟨eagha⟩ are used to write /əi̯/ (/eː/ in Ulster)
⟨eomha⟩ is used to write /oː/
Used between two slender consonants:
⟨eidhi⟩ and ⟨eighi⟩ are used to write /əi̯/:
Dutch
⟨sjtsj⟩ is used as the transcription of the Cyrillic letter Щ, representing the consonant /ɕː/ in Russian, for example in the name Chroesjtsjov.
English
⟨augha⟩ is used in the English names Gaughan and Vaughan to represent the sound /ɔː/.
French
⟨chtch⟩ is used as the transcription of the Cyrillic letter Щ, representing the consonant /ɕː/ in Russian, for example in the name Khrouchtchev.
⟨cques⟩ is pronounced as /k(ə)/ when the silent plural suffix -s is added to the tetragraph cque and in the proper name Jacques.
German
⟨tzsch⟩ was once used in German to write the sound /tʃ/ (ch as in cheese). It has largely been replaced by the tetragraph ⟨tsch⟩, but is still found in proper names such as Tzschirner, Nietzsche, Fritzsche, and Delitzsch.
St. Lawrence Island Yupik
⟨ngngw⟩ is used in the variant of Central Siberian Yupik language spoken on St.
“List of Latin-script pentagraphs” enters the record as wikimedia list article. Crown Archives preserves that source wording while asking what List, Latin-script and pentagraphs can confirm, complicate or overturn.
Why this record matters
“List of Latin-script pentagraphs” is worth following because a concise public description often conceals a longer documentary argument. Here, List, Latin-script and pentagraphs provides the most credible route into that argument.
Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Jun 21, 2026. The linked authority identifier is Q17075665. None of the 0 selected statements returned an explicit reference.
A concise general-reference account can conceal disagreements about scope, terminology or the weight assigned to individual sources. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
How to read it
Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.
- Subject orientation
- Search vocabulary
- Locating named sources
The closest primary source, responsible institution and strongest cited specialist reference.
Three-step research path
- Establish the record: confirm the title “List of Latin-script pentagraphs”, its source revision and the description used here.
- Expand the search: follow List of Latin-script pentagraphs primary sources, List of Latin-script pentagraphs archive and List research across catalogues and specialist indexes.
- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
- Which source most directly establishes the central claim about “List of Latin-script pentagraphs”?
- Which cited source is closest to the event, object or claim?
- Which institution is responsible for the underlying evidence?
Search terms from this dossier
This entry incorporates text from “List of Latin-script pentagraphs” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.