LehvsluxWhat's the difference?

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

Which to use

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

#47,155
“Leh” frequency rank
#18,878
“lux” frequency rank
66033
confusion score

Side-by-Side Comparison

Feature Leh lux
Definition A city, the co-capital of Ladakh, India. In the International System of Units, the derived unit of illuminance or illumination; one lumen per square metre. Symbol: lx

Where the eye mixes Leh and lux

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
Leh
3 ch
lux

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: Leh is /leɪ/ while lux is /lʌks/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (name vs noun), which is usually the fastest check. Our composite confusion score for this pair is 66033, derived from the frequency rank of both members and their visual similarity.

Leh is recorded at frequency rank #47,155, classified as aname, pronounced /leɪ/. lux is at rank #18,878, tagged as anoun, pronounced /lʌks/.

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 66033, this pair ranks #69,951 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of Leh vs lux

Shared letters: l. Private to "Leh": eh. Private to "lux": ux.

"Leh" · 3 letters · shape CVC  ·  "lux" · 3 letters · shape CVC

Frequently Asked Questions

Can "Leh" and "lux" be used interchangeably?
No - they are not even the same part of speech. "Leh" is a name and "lux" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "Leh" or "lux"?
"lux" is the more common of the two: it sits at frequency rank #18,878 in our English list, against #47,155 for "Leh". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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

Source: FrequencyWords open word-frequency list