algavsapagaWhat's the difference?

Quick tell: alga is a noun, apaga is a verb, so they fill different roles in a sentence.

Which to use

“alga” is a noun and “apaga” is a verb - they look or sound alike but fill different roles in a sentence.

#34,872
“alga” frequency rank
#10,448
“apaga” frequency rank
45320
confusion score

Side-by-Side Comparison

Feature alga apaga
Definition Organismo acuático autótrofo —es decir, capaz de fotosíntesis—, sea procarionte o eucarionte. No forman un grupo taxonómico homogéneo, comprendiendo desde organismos unicelulares muy sencillos hasta enormes colonias de decenas de metros de longitud. Se clasifican en al menos nueve filos, de uno de los cuales proceden evolutivamente las plantas propiamente dichas. Tercera persona del singular (él, ella, ello; usted, 2.ª persona) del presente de indicativo de apagar.

Where the spellings diverge

Shared letters are muted; the letters that actually set alga and apaga apart are highlighted. They share 3 letters in sequence, which is exactly why the eye skips the difference.

4 ch
alga
5 ch
apaga

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: alga is [ˈalɣ̞a] while apaga is [aˈpaɣ̞a]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 45320, derived from the frequency rank of both members and their visual similarity.

alga is recorded at frequency rank #34,872, classified as anoun, pronounced [ˈalɣ̞a]. apaga is at rank #10,448, tagged as averb, pronounced [aˈpaɣ̞a].

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 45320, this pair ranks #132,088 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of alga vs apaga

Shared letters: ag. Private to "alga": l. Private to "apaga": p.

"alga" · 4 letters · shape VCCV  ·  "apaga" · 5 letters · shape VCVCV

Known mistypes of this pair

  • algaalag · algga · allga · laga
  • apagaaapga · apaag · apagga · apgaa · appaga · paaga

Frequency comparison

alga#34,872
apaga#10,448

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "alga" and "apaga" be used interchangeably?
No - they are not even the same part of speech. "alga" is a noun and "apaga" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "alga" or "apaga"?
"apaga" is the more common of the two: it sits at frequency rank #10,448 in our Spanish list, against #34,872 for "alga". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering alga vs apaga

The fastest way to pick the right one every time.

  • Check the role first: if you need a noun, it's “alga”; for a verb, it's “apaga”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “alga” entry
  • Browse more pairs most likely to be confused. Most confusable

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

Source: FrequencyWords open word-frequency list