Which to use
“sends” is a verb and “sinus” is a noun - they look or sound alike but fill different roles in a sentence.
- #5,627
- “sends” frequency rank
- #20,225
- “sinus” frequency rank
- 25852
- confusion score
Side-by-Side Comparison
| Feature | sends | sinus |
|---|---|---|
| Definition | third-person singular simple present indicative of send | A pouch or cavity in a bone or other tissue, especially one in the bones of the face or skull connecting with the nasal cavities (the paranasal sinus). |
Where the eye mixes sends and sinus
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Visual trap between sends and sinus
These two trip readers on the page rather than in the ear: sends is /sɛndz/ while sinus is /ˈsaɪ.nəs/. 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 noun), which is usually the fastest check. Our composite confusion score for this pair is 25852, derived from the frequency rank of both members and their visual similarity.
sends is recorded at frequency rank #5,627, classified as averb, pronounced /sɛndz/. sinus is at rank #20,225, tagged as anoun, pronounced /ˈsaɪ.nəs/.
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 25852, this pair ranks #391,154 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of sends vs sinus
Shared letters: ns. Private to "sends": de. Private to "sinus": iu.
"sends" · 5 letters · shape CVCCC · "sinus" · 5 letters · shape CVCVC
Known mistypes of this pair
Frequently Asked Questions
Do "sends" and "sinus" mean the same thing in a sentence?
Which is more common, "sends" or "sinus"?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "sends" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "sinus" - compare definitions side by side with the headword page. Word entry
- This pair ranks #391,154 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "sends" and "sinus" also get mixed up with nearby pairs, the highest-scored neighbour is "SIDS vs sinus". Nearby pair
- Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes
Confusion rank #391,154 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.