competencyvscompetentWhat's the difference?

Quick tell: competency is a noun, competent is an adjective, so they fill different roles in a sentence.

Which to use

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

#20,317
“competency” frequency rank
#8,018
“competent” frequency rank
28335
confusion score

Side-by-Side Comparison

Feature competency competent
Definition The ability to perform some task; competence. Having sufficient skill, knowledge, ability, or qualifications.

Where the spellings diverge

Shared letters are muted; the letters that actually set competency and competent apart are highlighted. They share 8 letters in sequence, which is exactly why the eye skips the difference.

10 ch
competency
9 ch
competent

Spelling & Dictionary Insight

competency and competent form a confusable pair in the English index, two distinct headwords that are easily confused because they look alike, sound alike, or both. They differ by 1 letter(s) in length - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 28335, derived from the frequency rank of both members and their visual similarity.

competency is recorded at frequency rank #20,317, classified as anoun, pronounced /ˈkɒm.pə.tən.si/. competent is at rank #8,018, tagged as anadj, pronounced /ˈkɒmpətənt/.

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 28335, this pair ranks #371,895 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Frequency comparison

competency#20,317
competent#8,018

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "competency" and "competent" be used interchangeably?
No, "competency" and "competent" have distinct meanings and cannot be swapped without changing the meaning of a sentence. Understanding the specific definition and context for each word is essential for correct usage.

Remembering competency vs competent

The fastest way to pick the right one every time.

  • Check the role first: if you need a noun, it's “competency”; for an adjective, it's “competent”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “competency” 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 FrequencyWords open word-frequency list