fabvsfemTell them apart

Quick tell: fab is a noun, fem is a num, so they fill different roles in a sentence.

Which to use

“fab” is a noun and “fem” is a num - they look or sound alike but fill different roles in a sentence.

#40,306
“fab” frequency rank
#41,915
“fem” frequency rank
82221
confusion score

Side-by-Side Comparison

Feature fab fem
Definition Mutación aspirada del sustantivo masculino pab ('papa'). Cinco.

Where the eye mixes fab and fem

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence. fab and fem follow the identical consonant-vowel pattern (CVC). Same shape at a glance is often the real trap, independent of shared letters.

3 ch
fab
3 ch
fem

Look-alike desk: fab vs fem

These two trip readers on the page rather than in the ear: fab is [ˈf̬ɑːp] while fem is [fɛmˀ]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs num), which is usually the fastest check. Our composite confusion score for this pair is 82221, derived from the frequency rank of both members and their visual similarity.

fab is recorded at frequency rank #40,306, classified as anoun, pronounced [ˈf̬ɑːp]. fem is at rank #41,915, 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 82221, this pair ranks #9,473 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of fab vs fem

Shared letters: f. Private to "fab": ab. Private to "fem": em.

"fab" · 3 letters · shape CVC  ·  "fem" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "fab" for "fem" ever safe?
No - they are not even the same part of speech. "fab" is a noun and "fem" a num, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "fab" or "fem" show up more?
"fab" is the more common of the two: it sits at frequency rank #40,306 in our Spanish list, against #41,915 for "fem". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Eye-level mix-up between "fab" and "fem" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "fab" 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 #9,473 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "fab" and "fem" also get mixed up with nearby pairs, the highest-scored neighbour is "fem vs fuer". Nearby pair

Confusion rank #9,473 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list