smooth vs tests, What's the Difference?

Which to use

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

#49,255
“smooth” frequency rank: #3,854
“tests” frequency rank: 53109
confusion score

Side-by-Side Comparison

Feature	smooth	tests
Definition	glatt	Plural des Substantivs test

Letter map: smooth vs tests

Shared letters muted; letters that set smooth and tests apart highlighted. Shared run: 2.

6 ch

smooth

5 ch

tests

Grammar separator: smooth vs tests

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: smooth is anadjective and testsanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 53109, derived from the frequency rank of both members and their visual similarity.

smooth is recorded at frequency rank #49,255, classified as anadj, pronounced […]. tests is at rank #3,854, tagged as anoun, pronounced […].

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 53109, this pair ranks #1,070,843 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of smooth vs tests

Shared letters: st. Private to "smooth": hmo. Private to "tests": e.

"smooth" · 6 letters · shape CCVVCC · "tests" · 5 letters · shape CVCCC

Known mistypes of this pair

smooth ← msooth · smmooth · smooht · smoothh · smootth · smoth · smotoh · somoth
tests ← etsts · tessts · testss · testts · tetss · ttests

Frequently Asked Questions

Is swapping "smooth" for "tests" ever safe?

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

Which is more common, "smooth" or "tests"?

"tests" is the more common of the two: it sits at frequency rank #3,854 in our German list, against #49,255 for "smooth". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Done with this confusable. These links stay specific to "smooth" and "tests".

Full dictionary entry for "smooth" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "tests" - compare definitions side by side with the headword page. Word entry
This pair ranks #1,070,843 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
"smooth" and "tests" also get mixed up with nearby pairs, the highest-scored neighbour is "puzzles vs smooth". Nearby pair
Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #1,070,843 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.