retainedvsretardedWhat's the difference?

Quick tell: retained is a verb, retarded is an adjective, so they fill different roles in a sentence.

Which to use

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

#6,409
“retained” frequency rank
#10,755
“retarded” frequency rank
17164
confusion score

Side-by-Side Comparison

Feature retained retarded
Definition simple past and past participle of retain Delayed; delayed in development, hindered; impeded.

Where the spellings diverge

Shared letters are muted; the letters that actually set retained and retarded apart are highlighted. They share 6 letters in sequence, which is exactly why the eye skips the difference.

8 ch
retained
8 ch
retarded

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: retained is /ɹɪˈteɪnd/ while retarded is /ɹɪˈtɑːdɪd/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (verb vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 17164, derived from the frequency rank of both members and their visual similarity.

retained is recorded at frequency rank #6,409, classified as averb, pronounced /ɹɪˈteɪnd/. retarded is at rank #10,755, tagged as anadj, pronounced /ɹɪˈtɑːdɪd/.

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 17164, this pair ranks #453,214 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of retained vs retarded

Shared letters: adert. Private to "retained": in. Private to "retarded": -.

"retained" · 8 letters · shape CVCVVCVC  ·  "retarded" · 8 letters · shape CVCVCCVC

Known mistypes of this pair

  • retainedertained · reatined · retaiend · retainde · retainedd · retainned · retanied · retianed
  • retardedertarded · reatrded · retadred · retardde · retardded · retardedd · retaredd · retarrded

Frequency comparison

retained#6,409
retarded#10,755

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "retained" and "retarded" be used interchangeably?
No - they are not even the same part of speech. "retained" is a verb and "retarded" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "retained" or "retarded"?
"retained" is the more common of the two: it sits at frequency rank #6,409 in our English list, against #10,755 for "retarded". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering retained vs retarded

The fastest way to pick the right one every time.

  • Check the role first: if you need a verb, it's “retained”; for an adjective, it's “retarded”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “retained” 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