Australopithecus
"australopithecus" is a 16-letter English headword indexed on PlainSpell.
The verdict
“Australopithecus” is uncommon English (frequency #88,075 among 3,931 “A” headwords), classed as a noun. The kind of spelling people second-guess.
- #88,075
- frequency rank, English
- 3,931
- “A” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Synonym of australopith.
Corpus desk
Index EN-australopithecus · Australopithecus · English
Australopithecus · rank #88,075 · 0 variants · 0 confusables
- FREQ-RARE #88,075
- LEN-MEGA 16 letters
- VOW-7 7 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 3,931
- PHOTO-FINISH auroral
Nearest frequency peer: auroral (-1 rank slots)
Read with this headword: Spelling guide for this pattern
Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.
Long-tail ranks near “Australopithecus”
Sparse band: bars invert rank so rarer forms read shorter
- Atatürk
Atatürk
11,930 corpus weight
- aten
aten
11,929 corpus weight
- audiotape
audiotape
11,928 corpus weight
- auroral
auroral
11,927 corpus weight
- Australopit…
Australopithecus
11,926 corpus weight
- Ayotte
Ayotte
11,923 corpus weight
What this shows Long-tail view: where “Australopithecus” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | Australopithecus |
| Language | English |
| Part of speech | Noun |
| Letters | 16 |
| Frequency rank | #88,075 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “Australopithecus” in English
Rare enough to double-check
Australopithecus is uncommon English at frequency #88,075 among 3,931 “A” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "Synonym of australopith.".
No generated misspelling entries exist for Australopithecus in our index, since its letter sequence doesn't invite the usual edit-distance slips. No close-neighbour confusable shows up for this headword in our dataset, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.
Etymologically, the entry records: From the genus name Australopithecus. The correct English form is Australopithecus, spelled A-U-S-T-R-A-L-O-P-I-T-H-E-C-U-S.
Definition
- 1Synonym of australopith.
Recorded use
Wiktionary examplesThese source excerpts show how Australopithecus appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
In its turn the institute received from the British Museum of Natural History plaster casts of the skulls of Australopithecuses, a species of higher ape which lived over a million years ago.
In his final period, Teilhard felt he saw all his own Weltanschauung confirmed by Dr. Broom’s work with the fossils of Australopitheci in South Africa; […]
Etymology
From the genus name Australopithecus.
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "Australopithecus", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 16 letters (nearest by frequency rank).