arf
"arf" is a 3-letter English headword indexed on PlainSpell.
The verdict
“arf” sits in 20 confusable pairs (corpus #41,000) as an interjection. The look-alike neighbours are the real trap.
- #41,000
- frequency rank, English
- 3,931
- “A” headwords
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Synonym of woof (“sound of a dog's bark”).
Corpus desk
Index EN-arf · arf · English
arf · rank #41,000 · 0 variants · 20 confusables
- FREQ-MID #41,000
- LEN-MID 3 letters
- VOW-1 1 vowel
- CONFUS-HIGH 20 pairs
- VAR-0 0 variants
- BOOK-MID 3,931
- PHOTO-FINISH arrhythmia
Nearest frequency peer: arrhythmia (+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.
Frequency neighbours of confusable “arf”
Peers at similar corpus weight, separate from look-alike pairs below
- anaesthesia
anaesthesia
59,006 corpus weight
- arf
arf
59,001 corpus weight
- arrhythmia
arrhythmia
59,000 corpus weight
- arsed
arsed
58,999 corpus weight
- baddest
baddest
58,997 corpus weight
- Bahraini
Bahraini
58,996 corpus weight
What this shows Bars place “arf” against nearest ranked English headwords, not a reprint of the confusable-pair desk.
Visual similarity to commonly confused words
How many letter changes separate each confused pair (Levenshtein distance, normalized).
Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).
| Property | Value |
|---|---|
| Headword | arf |
| Language | English |
| Part of speech | Interjection |
| Letters | 3 |
| Frequency rank | #41,000 |
| Misspellings tracked | 0 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Corpus rank beside confusables of “arf”
Easy to mix with look-alikes
The spelling risk for arf is neighbouring look-alikes ("as", "at", …), not just typos; it is aninterjection. Frequency #41,000 among 3,931 “A” headwords. 2 recorded senses keep meaning in play.
The misspelling generator found no plausible variants for arf, suggesting the orthography follows predictable English patterns. It also participates in 20 confusable-pair relationships, "as", "at", "aw", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.
Etymologically, the entry records: Onomatopoeic. The correct English form is arf, spelled A-R-F.
Definition
- 1Synonym of woof (“sound of a dog's bark”).
- 2Synonym of woof (“expressing strong physical attraction”).
Etymology
Onomatopoeic.
This word in other languages
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 "arf", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 3 letters (nearest by frequency rank).