Which to use
“penetrate” and “penetrated” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #13,977
- “penetrate” frequency rank
- #20,734
- “penetrated” frequency rank
- 34711
- confusion score
Side-by-Side Comparison
| Feature | penetrate | penetrated |
|---|---|---|
| Definition | To enter into; to make way into the interior of; to pierce. | simple past and past participle of penetrate |
Where the spellings diverge
Shared letters are muted; the letters that actually set penetrate and penetrated apart are highlighted. They share 9 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
A purely visual mix-up. penetrate (/ˈpɛnɪtɹeɪt/) and penetrated (/ˈpɛnɪtɹeɪtɪd/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 extra letter(s) - “penetrate” sits inside “penetrated”. Our composite confusion score for this pair is 34711, derived from the frequency rank of both members and their visual similarity.
penetrate is recorded at frequency rank #13,977, classified as averb, pronounced /ˈpɛnɪtɹeɪt/. penetrated is at rank #20,734, tagged as averb, pronounced /ˈpɛnɪtɹeɪtɪd/.
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 34711, this pair ranks #318,392 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of penetrate vs penetrated
Shared letters: aenprt. Private to "penetrate": -. Private to "penetrated": d.
"penetrate" · 9 letters · shape CVCVCCVCV · "penetrated" · 10 letters · shape CVCVCCVCVC
Known mistypes of this pair
- penetrate ← epnetrate · peentrate · penertate · penetarte · penetraet · penetratte · penetrrate · penetrtae
- penetrated ← epnetrated · peentrated · penertated · penetarted · penetraetd · penetratde · penetratedd · penetratted
Frequency comparison
Frequently Asked Questions
Can "penetrate" and "penetrated" be used interchangeably?
Which is more common, "penetrate" or "penetrated"?
Remembering penetrate vs penetrated
The fastest way to pick the right one every time.
- Read both glosses above and match the meaning you intend, only context separates this pair.
- See each word in full, definition, IPA, etymology and its other confusables. Full “penetrate” entry
- Browse more pairs most likely to be confused. Most confusable