memvsmouWhich spelling fits?

Quick tell: mem is a noun, mou is an adjective, so they fill different roles in a sentence.

Which to use

“mem” is a noun and “mou” is an adjective - they look or sound alike but fill different roles in a sentence.

#44,311
“mem” frequency rank
#46,072
“mou” frequency rank
90383
confusion score

Side-by-Side Comparison

Feature mem mou
Definition Decimotercera letra del alfabeto hebreo Blando.

Where the eye mixes mem and mou

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

3 ch
mem
3 ch
mou

Visual trap between mem and mou

These two trip readers on the page rather than in the ear: mem is [ˈmẽm] while mou is [mu]. 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 adjective), which is usually the fastest check. Our composite confusion score for this pair is 90383, derived from the frequency rank of both members and their visual similarity.

mem is recorded at frequency rank #44,311, classified as anoun, pronounced [ˈmẽm]. mou is at rank #46,072, tagged as anadj, pronounced [mu].

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 90383, this pair ranks #2,540 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of mem vs mou

Shared letters: m. Private to "mem": e. Private to "mou": ou.

"mem" · 3 letters · shape CVC  ·  "mou" · 3 letters · shape CVV

Frequently Asked Questions

Do "mem" and "mou" mean the same thing in a sentence?
No - they are not even the same part of speech. "mem" is a noun and "mou" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "mem" or "mou"?
"mem" is the more common of the two: it sits at frequency rank #44,311 in our Spanish list, against #46,072 for "mou". 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 "mem" and "mou" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "mem" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "mou" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #2,540 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "mem" and "mou" also get mixed up with nearby pairs, the highest-scored neighbour is "mou vs mur". Nearby pair

Confusion rank #2,540 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