Which to use
“fess” is a verb and “FISA” is a name - they look or sound alike but fill different roles in a sentence.
- #43,640
- “fess” frequency rank
- #32,399
- “FISA” frequency rank
- 76039
- confusion score
Side-by-Side Comparison
| Feature | fess | FISA |
|---|---|---|
| Definition | To confess; to admit. | Acronym of Foreign Intelligence Surveillance Act. |
Where the spellings diverge
Shared letters are muted; the letters that actually set fess and FISA apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: fess is averb and FISAaname. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 76039, derived from the frequency rank of both members and their visual similarity.
fess is recorded at frequency rank #43,640, classified as averb, pronounced /fɛs/. FISA is at rank #32,399, tagged as aname.
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 76039, this pair ranks #31,248 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of fess vs FISA
Shared letters: fs. Private to "fess": e. Private to "FISA": ai.
"fess" · 4 letters · shape CVCC · "FISA" · 4 letters · shape CVCV
Known mistypes of this pair
Frequency comparison
Frequently Asked Questions
Can "fess" and "FISA" be used interchangeably?
Which is more common, "fess" or "FISA"?
Remembering fess vs FISA
The fastest way to pick the right one every time.
- Check the role first: if you need a verb, it's “fess”; for a name, it's “FISA”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “fess” entry
- Browse more pairs most likely to be confused. Most confusable