Which to use
“grout” and “grub” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #35,742
- “grout” frequency rank
- #24,772
- “grub” frequency rank
- 60514
- confusion score
Side-by-Side Comparison
| Feature | grout | grub |
|---|---|---|
| Definition | A thin mortar used to fill the gaps between tiles and cavities in masonry. | An insect, especially a beetle, at an immature stage of its life cycle. |
Where the eye mixes grout and grub
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. grout runs 5 letters (CCVVC) against grub's 4 (CCVC) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between grout and grub
A purely visual mix-up. grout (/ɡɹaʊt/) and grub (/ɡɹʌb/) 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 letter(s) in length. Our composite confusion score for this pair is 60514, derived from the frequency rank of both members and their visual similarity.
grout is recorded at frequency rank #35,742, classified as anoun, pronounced /ɡɹaʊt/. grub is at rank #24,772, tagged as anoun, pronounced /ɡɹʌb/.
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 60514, this pair ranks #99,792 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of grout vs grub
Shared letters: gru. Private to "grout": ot. Private to "grub": b.
"grout" · 5 letters · shape CCVVC · "grub" · 4 letters · shape CCVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "grout" for "grub" ever safe?
Which is more common, "grout" or "grub"?
What to do next
Eye-level mix-up between "grout" and "grub" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "grout" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "grub" - compare definitions side by side with the headword page. Word entry
- This pair ranks #99,792 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "grout" and "grub" also get mixed up with nearby pairs, the highest-scored neighbour is "gronk vs grout". 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 #99,792 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.