tillervstillyWhich spelling fits?

Which to use

“tiller” and “tilly” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#31,004
“tiller” frequency rank
#31,380
“tilly” frequency rank
62384
confusion score

Side-by-Side Comparison

Feature tiller tilly
Definition A person who tills; a farmer. An extra product given to a customer at no additional charge; a lagniappe.

Where the eye mixes tiller and tilly

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. tiller runs 6 letters (CVCCVC) against tilly's 5 (CVCCV) - the length gap alone is often enough to separate them once you know to check it.

6 ch
tiller
5 ch
tilly

Visual trap between tiller and tilly

A purely visual mix-up. tiller (/ˈtɪlə/) and tilly (/ˈtɪli/) 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 62384, derived from the frequency rank of both members and their visual similarity.

tiller is recorded at frequency rank #31,004, classified as anoun, pronounced /ˈtɪlə/. tilly is at rank #31,380, tagged as anoun, pronounced /ˈtɪli/.

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 62384, this pair ranks #88,790 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of tiller vs tilly

Shared letters: ilt. Private to "tiller": er. Private to "tilly": y.

"tiller" · 6 letters · shape CVCCVC  ·  "tilly" · 5 letters · shape CVCCV

Known mistypes of this pair

  • tiller ← itller · tilelr · tiler · tillerr · tillre · tliler · ttiller
  • tilly ← itlly · tillyy · tily · tilyl · tlily · ttilly

Frequently Asked Questions

Is swapping "tiller" for "tilly" ever safe?
No. They are said differently (/ˈtɪlə/ versus /ˈtɪli/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "tiller" or "tilly"?
"tiller" is the more common of the two: it sits at frequency rank #31,004 in our English list, against #31,380 for "tilly". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "tiller" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "tilly" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #88,790 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "tiller" and "tilly" also get mixed up with nearby pairs, the highest-scored neighbour is "Tigger vs tiller". 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 #88,790 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list