lvsLFTell them apart

Quick tell: l is a character, LF is a noun, so they fill different roles in a sentence.

Which to use

“l” is a character and “LF” is a noun - they look or sound alike but fill different roles in a sentence.

#676
“l” frequency rank
#17,176
“LF” frequency rank
17852
confusion score

Side-by-Side Comparison

Feature l LF
Definition The twelfth letter of the English alphabet, called el and written in the Latin script. Initialism of left foot.

Letter map: l vs LF

Shared letters muted; letters that set l and LF apart highlighted. Shared run: 1.

1 ch
l
2 ch
LF

Part-of-speech tell for l / LF

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: l is acharacter and LFanoun. On the page they differ by 1 extra letter(s) - “l” sits inside “LF”. Our composite confusion score for this pair is 17852, derived from the frequency rank of both members and their visual similarity.

l is recorded at frequency rank #676, classified as acharacter, pronounced /ɛl/. LF is at rank #17,176, tagged as anoun.

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 17852, this pair ranks #448,733 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of l vs LF

Shared letters: l. Private to "l": -. Private to "LF": f.

"l" · 1 letters · shape C  ·  "LF" · 2 letters · shape CC

Frequently Asked Questions

Is swapping "l" for "LF" ever safe?
No - they are not even the same part of speech. "l" is a character and "LF" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "l" or "LF"?
"l" is the more common of the two: it sits at frequency rank #676 in our English list, against #17,176 for "LF". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Done with this confusable. These links stay specific to "l" and "LF".

  • Full dictionary entry for "l" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "LF" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #448,733 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "l" and "LF" also get mixed up with nearby pairs, the highest-scored neighbour is "LF vs LSC". Nearby pair

Confusion rank #448,733 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