Which to use
“strenuous” is an adjective and “strenuously” is an adverb - they look or sound alike but fill different roles in a sentence.
- #24,920
- “strenuous” frequency rank
- #43,397
- “strenuously” frequency rank
- 68317
- confusion score
Side-by-Side Comparison
| Feature | strenuous | strenuously |
|---|---|---|
| Definition | Having great vigour or energy; forceful. | In a strenuous manner. |
Where the spellings diverge
Shared letters are muted; the letters that actually set strenuous and strenuously apart are highlighted. They share 9 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: strenuous is anadjective and strenuouslyanadverb. On the page they differ by 2 extra letter(s) - “strenuous” sits inside “strenuously”. Our composite confusion score for this pair is 68317, derived from the frequency rank of both members and their visual similarity.
strenuous is recorded at frequency rank #24,920, classified as anadj, pronounced /ˈstɹɛ.nju.əs/. strenuously is at rank #43,397, tagged as anadv.
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 68317, this pair ranks #59,405 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of strenuous vs strenuously
Shared letters: enorstu. Private to "strenuous": -. Private to "strenuously": ly.
"strenuous" · 9 letters · shape CCCVCVVVC · "strenuously" · 11 letters · shape CCCVCVVVCCV
Known mistypes of this pair
- strenuous ← srtenuous · sstrenuous · sternuous · strennuous · strenouus · strenuosu · strenuouss · strenuuos
- strenuously ← srtenuously · sstrenuously · sternuously · strennuously · strenouusly · strenuosuly · strenuoulsy · strenuouslly
Frequency comparison
Frequently Asked Questions
Can "strenuous" and "strenuously" be used interchangeably?
Which is more common, "strenuous" or "strenuously"?
Remembering strenuous vs strenuously
The fastest way to pick the right one every time.
- Check the role first: if you need an adjective, it's “strenuous”; for an adverb, it's “strenuously”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “strenuous” entry
- Browse more pairs most likely to be confused. Most confusable