Which to use
“F” is a character and “fem” is a num - they look or sound alike but fill different roles in a sentence.
- #697
- “F” frequency rank
- #43,170
- “fem” frequency rank
- 43867
- confusion score
Side-by-Side Comparison
| Feature | F | fem |
|---|---|---|
| Definition | sechster Buchstabe des lateinischen Alphabets | fünf |
Where the eye mixes F and fem
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Why the eye confuses F with fem
These two trip readers on the page rather than in the ear: F is [ɛf] while fem is [fɛmˀ]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “F” sits inside “fem”, and the parts of speech differ too (character vs num), which is usually the fastest check. Our composite confusion score for this pair is 43867, derived from the frequency rank of both members and their visual similarity.
F is recorded at frequency rank #697, classified as acharacter, pronounced [ɛf]. fem is at rank #43,170, tagged as anum, pronounced [fɛmˀ].
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 43867, this pair ranks #1,404,418 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of F vs fem
Shared letters: f. Private to "F": -. Private to "fem": em.
"F" · 1 letters · shape C · "fem" · 3 letters · shape CVC
Frequently Asked Questions
Is swapping "F" for "fem" ever safe?
Frequency check: "F" vs "fem" - which ranks higher?
Useful next steps
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "F" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "fem" - compare definitions side by side with the headword page. Word entry
- This pair ranks #1,404,418 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
- "F" and "fem" also get mixed up with nearby pairs, the highest-scored neighbour is "fem vs firm". Nearby pair
Confusion rank #1,404,418 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.