lovsLouTell them apart

Quick tell: lo is a article, Lou is a name, so they fill different roles in a sentence.

Which to use

“lo” is an article and “Lou” is a name - they look or sound alike but fill different roles in a sentence.

#19
“lo” frequency rank
#16,634
“Lou” frequency rank
16653
confusion score

Side-by-Side Comparison

Feature lo Lou
Definition Artículo determinado de género neutro que se usa para sustantivar adjetivos o frases. Forma del neutro de el. Nombre de pila de varón.

Where the eye mixes lo and Lou

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

2 ch
lo
3 ch
Lou

Look-alike desk: lo vs Lou

These two trip readers on the page rather than in the ear: lo is [lo] while Lou is /luː/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 extra letter(s) - “lo” sits inside “Lou”, and the parts of speech differ too (article vs name), which is usually the fastest check. Our composite confusion score for this pair is 16653, derived from the frequency rank of both members and their visual similarity.

lo is recorded at frequency rank #19, classified as anarticle, pronounced [lo]. Lou is at rank #16,634, tagged as aname, pronounced /luː/.

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 16653, this pair ranks #275,295 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of lo vs Lou

Shared letters: lo. Private to "lo": -. Private to "Lou": u.

"lo" · 2 letters · shape CV  ·  "Lou" · 3 letters · shape CVV

Frequently Asked Questions

Is swapping "lo" for "Lou" ever safe?
No - they are not even the same part of speech. "lo" is an article and "Lou" a name, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "lo" or "Lou"?
"lo" is the more common of the two: it sits at frequency rank #19 in our Spanish list, against #16,634 for "Lou". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

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

  • Full dictionary entry for "lo" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Lou" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #275,295 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "lo" and "Lou" also get mixed up with nearby pairs, the highest-scored neighbour is "lac vs Lou". Nearby pair

Confusion rank #275,295 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