unnaturalvsunnaturallyWhat's the difference?

Quick tell: unnatural is a adjective, unnaturally is an adverb, so they fill different roles in a sentence.

Which to use

“unnatural” is an adjective and “unnaturally” is an adverb - they look or sound alike but fill different roles in a sentence.

#15,541
“unnatural” frequency rank
#47,397
“unnaturally” frequency rank
62938
confusion score

Side-by-Side Comparison

Feature unnatural unnaturally
Definition Not natural. In an unnatural manner; to an unnatural extent.

Where the eye mixes unnatural and unnaturally

Muted = shared; highlighted = the visual trap. They share 9 letters in sequence.

9 ch
unnatural
11 ch
unnaturally

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: unnatural is /ʌnˈnæt͡ʃ.(ə.)ɹəl/ while unnaturally is /ʌnˈnæt͡ʃ.(ə.)ɹə.li/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “unnatural” sits inside “unnaturally”, and the parts of speech differ too (adjective vs adverb), which is usually the fastest check. Our composite confusion score for this pair is 62938, derived from the frequency rank of both members and their visual similarity.

unnatural is recorded at frequency rank #15,541, classified as anadj, pronounced /ʌnˈnæt͡ʃ.(ə.)ɹəl/. unnaturally is at rank #47,397, tagged as anadv, pronounced /ʌnˈnæt͡ʃ.(ə.)ɹə.li/.

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 62938, this pair ranks #85,706 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of unnatural vs unnaturally

Shared letters: alnrtu. Private to "unnatural": -. Private to "unnaturally": y.

"unnatural" · 9 letters · shape VCCVCVCVC  ·  "unnaturally" · 11 letters · shape VCCVCVCVCCV

Known mistypes of this pair

  • unnaturalnunatural · unantural · unatural · unnatrual · unnattural · unnatuarl · unnaturall · unnaturla
  • unnaturallynunaturally · unanturally · unaturally · unnatrually · unnatturally · unnatuarlly · unnaturallyy · unnaturaly

Frequently Asked Questions

Can "unnatural" and "unnaturally" be used interchangeably?
No - they are not even the same part of speech. "unnatural" is an adjective and "unnaturally" an adverb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "unnatural" or "unnaturally"?
"unnatural" is the more common of the two: it sits at frequency rank #15,541 in our English list, against #47,397 for "unnaturally". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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

Source: FrequencyWords open word-frequency list