femvsfuaWhich spelling fits?

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

Which to use

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

#41,915
“fem” frequency rank
#41,930
“fua” frequency rank
83845
confusion score

Side-by-Side Comparison

Feature fem fua
Definition Cinco. Hígado hipertrofiado obtenido de ocas o patos engordados a la fuerza, considerado un manjar selecto.

Where the eye mixes fem and fua

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence. fem (CVC) and fua (CVV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

3 ch
fem
3 ch
fua

Why the eye confuses fem with fua

These two trip readers on the page rather than in the ear: fem is [fɛmˀ] while fua is [ˈfwa]. 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 (num vs noun), which is usually the fastest check. Our composite confusion score for this pair is 83845, derived from the frequency rank of both members and their visual similarity.

fem is recorded at frequency rank #41,915, classified as anum, pronounced [fɛmˀ]. fua is at rank #41,930, tagged as anoun, pronounced [ˈfwa].

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 83845, this pair ranks #7,666 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of fem vs fua

Shared letters: f. Private to "fem": em. Private to "fua": au.

"fem" · 3 letters · shape CVC  ·  "fua" · 3 letters · shape CVV

Frequently Asked Questions

Is swapping "fem" for "fua" ever safe?
No - they are not even the same part of speech. "fem" is a num and "fua" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "fem" or "fua" show up more?
"fem" is the more common of the two: it sits at frequency rank #41,915 in our Spanish list, against #41,930 for "fua". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "fem" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fua" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #7,666 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "fem" and "fua" also get mixed up with nearby pairs, the highest-scored neighbour is "fora vs fua". Nearby pair

Confusion rank #7,666 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