loudvslumWhat's the difference?

Quick tell: loud is a adjective, lum is a noun, so they fill different roles in a sentence.

Which to use

“loud” is an adjective and “lum” is a noun - they look or sound alike but fill different roles in a sentence.

#2,841
“loud” frequency rank
#47,736
“lum” frequency rank
50577
confusion score

Side-by-Side Comparison

Feature loud lum
Definition Of great intensity. A chimney; also, the top part of a chimney.

Where the eye mixes loud and lum

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
loud
3 ch
lum

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: loud is /laʊd/ while lum is /lʌm/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 50577, derived from the frequency rank of both members and their visual similarity.

loud is recorded at frequency rank #2,841, classified as anadj, pronounced /laʊd/. lum is at rank #47,736, tagged as anoun, pronounced /lʌm/.

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 50577, this pair ranks #173,024 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of loud vs lum

Shared letters: lu. Private to "loud": do. Private to "lum": m.

"loud" · 4 letters · shape CVVC  ·  "lum" · 3 letters · shape CVC

Known mistypes of this pair

  • loudlloud · lodu · loudd · luod · olud

Frequently Asked Questions

Can "loud" and "lum" be used interchangeably?
No - they are not even the same part of speech. "loud" is an adjective and "lum" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "loud" or "lum"?
"loud" is the more common of the two: it sits at frequency rank #2,841 in our English list, against #47,736 for "lum". 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