FellsvsfillyWhich spelling fits?

Quick tell: Fells is a name, filly is a noun, so they fill different roles in a sentence.

Which to use

“Fells” is a name and “filly” is a noun - they look or sound alike but fill different roles in a sentence.

#45,926
“Fells” frequency rank
#23,832
“filly” frequency rank
69758
confusion score

Side-by-Side Comparison

Feature Fells filly
Definition A surname. A young female horse.

Letter map: Fells vs filly

Shared letters muted; letters that set Fells and filly apart highlighted. Shared run: 3. Fells (CVCCC) and filly (CVCCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

5 ch
Fells
5 ch
filly

Part-of-speech tell for Fells / filly

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Fells is aname and fillyanoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 69758, derived from the frequency rank of both members and their visual similarity.

Fells is recorded at frequency rank #45,926, classified as aname. filly is at rank #23,832, tagged as anoun, pronounced /ˈfɪli/.

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 69758, this pair ranks #53,249 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of Fells vs filly

Shared letters: fl. Private to "Fells": es. Private to "filly": iy.

"Fells" · 5 letters · shape CVCCC  ·  "filly" · 5 letters · shape CVCCV

Known mistypes of this pair

  • Fells ← eflls · fellss · felsl · ffells · flels
  • filly ← ffilly · fillyy · fily · filyl · flily · iflly

Frequently Asked Questions

Do "Fells" and "filly" mean the same thing in a sentence?
No - they are not even the same part of speech. "Fells" is a name and "filly" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "Fells" or "filly" show up more?
"filly" is the more common of the two: it sits at frequency rank #23,832 in our English list, against #45,926 for "Fells". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

You've compared "Fells" and "filly". Here's where to go from here.

  • Full dictionary entry for "Fells" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "filly" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #53,249 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "Fells" and "filly" also get mixed up with nearby pairs, the highest-scored neighbour is "feely vs Fells". 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 #53,249 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