fail vs fallo, What's the Difference?

Which to use

“fail” is a verb and “fallo” is an adjective - they look or sound alike but fill different roles in a sentence.

#30,476
“fail” frequency rank: #3,410
“fallo” frequency rank: 33886
confusion score

Side-by-Side Comparison

Feature	fail	fallo
Definition	Fracasar, fallar.	En algunos juegos de naipes, falto de algún palo.

Where the spellings diverge

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

4 ch

fail

5 ch

fallo

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: fail is /feɪl/ while fallo is [ˈfaʝo]. 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 (verb vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 33886, derived from the frequency rank of both members and their visual similarity.

fail is recorded at frequency rank #30,476, classified as averb, pronounced /feɪl/. fallo is at rank #3,410, tagged as anadj, pronounced [ˈfaʝo].

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 33886, this pair ranks #194,368 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of fail vs fallo

Shared letters: afl. Private to "fail": i. Private to "fallo": o.

"fail" · 4 letters · shape CVVC · "fallo" · 5 letters · shape CVCCV

Known mistypes of this pair

fail ← afil · faill · fali · ffail
fallo ← afllo · falol · ffallo · flalo

Frequency comparison

fail#30,476

fallo#3,410

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "fail" and "fallo" be used interchangeably?

No - they are not even the same part of speech. "fail" is a verb and "fallo" an adjective, so a sentence built for one is usually ungrammatical with the other.

Which is more common, "fail" or "fallo"?

"fallo" is the more common of the two: it sits at frequency rank #3,410 in our Spanish list, against #30,476 for "fail". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering fail vs fallo

The fastest way to pick the right one every time.

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