SLEvssmileWhat's the difference?

Which to use

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

#48,486
“SLE” frequency rank
#2,316
“smile” frequency rank
50802
confusion score

Side-by-Side Comparison

Feature SLE smile
Definition Initialism of systemic lupus erythematosus. A facial expression comprised by flexing the muscles of both ends of one's mouth, often showing the front teeth, without vocalisation, and in humans is a common involuntary or voluntary expression of happiness, pleasure, amusement, goodwill, or anxiety.

Letter map: SLE vs smile

Shared letters muted; letters that set SLE and smile apart highlighted. Shared run: 3.

3 ch
SLE
5 ch
smile

Spelling & Dictionary Insight

SLE and smile are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 2 letter(s) in length. Our composite confusion score for this pair is 50802, derived from the frequency rank of both members and their visual similarity.

SLE is recorded at frequency rank #48,486, classified as anoun. smile is at rank #2,316, tagged as anoun, pronounced /ˈsmaɪl/.

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 50802, this pair ranks #171,011 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of SLE vs smile

Shared letters: els. Private to "SLE": -. Private to "smile": im.

"SLE" · 3 letters · shape CCV  ·  "smile" · 5 letters · shape CCVCV

Known mistypes of this pair

  • smilemsile · simle · smiel · smille · smlie · smmile · ssmile

Frequently Asked Questions

Can "SLE" and "smile" be used interchangeably?
No. They differ by 2 letter(s) in length, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Which is more common, "SLE" or "smile"?
"smile" is the more common of the two: it sits at frequency rank #2,316 in our English list, against #48,486 for "SLE". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

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

Source: FrequencyWords open word-frequency list