Which to use
“fox” is a noun and “FSB” is a name - they look or sound alike but fill different roles in a sentence.
- #2,204
- “fox” frequency rank
- #32,815
- “FSB” frequency rank
- 35019
- confusion score
Side-by-Side Comparison
| Feature | fox | FSB |
|---|---|---|
| Definition | A small-to-medium-sized canine mammal, related to dogs and wolves, with a flattened skull, upright triangular ears, a pointed, slightly upturned snout, and a long bushy tail, of the following groups: | The Federal Security Service of the Russian Federation. |
Where the spellings diverge
Shared letters are muted; the letters that actually set fox and FSB apart are highlighted. They share 1 letter in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
fox and FSB form a confusable pair in the English index, two distinct headwords that are easily confused because they look alike, sound alike, or both. They share most of their letters but differ in 2 positions - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 35019, derived from the frequency rank of both members and their visual similarity.
fox is recorded at frequency rank #2,204, classified as anoun, pronounced /fɒks/. FSB is at rank #32,815, 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 35019, this pair ranks #315,585 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Frequency comparison
Frequently Asked Questions
Can "fox" and "FSB" be used interchangeably?
Remembering fox vs FSB
The fastest way to pick the right one every time.
- Check the role first: if you need a noun, it's “fox”; for a name, it's “FSB”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “fox” entry
- Browse more pairs most likely to be confused. Most confusable