FannyvsfayWhat's the difference?

Quick tell: Fanny is a name, fay is a verb, so they fill different roles in a sentence.

Which to use

“Fanny” is a name and “fay” is a verb - they look or sound alike but fill different roles in a sentence.

#15,611
“Fanny” frequency rank
#19,836
“fay” frequency rank
35447
confusion score

Side-by-Side Comparison

Feature Fanny fay
Definition A diminutive of the female given name Frances, itself also becoming a given name. To fit, to add.

Where the spellings diverge

Shared letters are muted; the letters that actually set Fanny and fay apart are highlighted. They share 3 letters in sequence, which is exactly why the eye skips the difference.

5 ch
Fanny
3 ch
fay

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: Fanny is /ˈfæni/ while fay is /feɪ/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (name vs verb), which is usually the fastest check. Our composite confusion score for this pair is 35447, derived from the frequency rank of both members and their visual similarity.

Fanny is recorded at frequency rank #15,611, classified as aname, pronounced /ˈfæni/. fay is at rank #19,836, tagged as averb, pronounced /feɪ/.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 35447, this pair ranks #311,841 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Fanny vs fay

Shared letters: afy. Private to "Fanny": n. Private to "fay": -.

"Fanny" · 5 letters · shape CVCCV  ·  "fay" · 3 letters · shape CVV

Known mistypes of this pair

  • Fannyafnny · fannyy · fany · fanyn · ffanny · fnany

Frequency comparison

Fanny#15,611
fay#19,836

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "Fanny" and "fay" be used interchangeably?
No - they are not even the same part of speech. "Fanny" is a name and "fay" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "Fanny" or "fay"?
"Fanny" is the more common of the two: it sits at frequency rank #15,611 in our English list, against #19,836 for "fay". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering Fanny vs fay

The fastest way to pick the right one every time.

  • Check the role first: if you need a name, it's “Fanny”; for a verb, it's “fay”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “Fanny” entry
  • Browse more pairs most likely to be confused. Most confusable

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list