litrevslustreWhat's the difference?

Which to use

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

#14,987
“litre” frequency rank
#30,124
“lustre” frequency rank
45111
confusion score

Side-by-Side Comparison

Feature litre lustre
Definition The metric unit of fluid measure, equal to one cubic decimetre. Symbol: L, l, or ℓ. British standard spelling of luster (shine, etc.).

Where the spellings diverge

Shared letters are muted; the letters that actually set litre and lustre apart are highlighted. They share 4 letters in sequence, which is exactly why the eye skips the difference.

5 ch
litre
6 ch
lustre

Spelling & Dictionary Insight

A purely visual mix-up. litre (/ˈliː.tɚ/) and lustre (/ˈlʌstə/) 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 45111, derived from the frequency rank of both members and their visual similarity.

litre is recorded at frequency rank #14,987, classified as anoun, pronounced /ˈliː.tɚ/. lustre is at rank #30,124, tagged as anoun, pronounced /ˈlʌstə/.

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 45111, this pair ranks #224,334 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of litre vs lustre

Shared letters: elrt. Private to "litre": i. Private to "lustre": su.

"litre" · 5 letters · shape CVCCV  ·  "lustre" · 6 letters · shape CVCCCV

Known mistypes of this pair

  • litreiltre · lirte · litrre · llitre · ltire
  • lustrellustre · lsutre · lusrte · lusstre · lustrre · lusttre · lutsre

Frequency comparison

litre#14,987
lustre#30,124

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "litre" and "lustre" be used interchangeably?
No. They are said differently (/ˈliː.tɚ/ versus /ˈlʌstə/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "litre" or "lustre"?
"litre" is the more common of the two: it sits at frequency rank #14,987 in our English list, against #30,124 for "lustre". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering litre vs lustre

The fastest way to pick the right one every time.

  • Read both glosses above and match the meaning you intend, only context separates this pair.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “litre” entry
  • Browse more pairs most likely to be confused. Most confusable

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

Source: FrequencyWords open word-frequency list