LDLvslowWhich spelling fits?

Quick tell: LDL is a noun, low is an adjective, so they fill different roles in a sentence.

Which to use

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

#32,058
“LDL” frequency rank
#468
“low” frequency rank
32526
confusion score

Side-by-Side Comparison

Feature LDL low
Definition Initialism of low-density lipoprotein. Situated close to, or even below, the ground or another normal reference plane; not high or lofty.

Letter map: LDL vs low

Shared letters muted; letters that set LDL and low apart highlighted. Shared run: 1.

3 ch
LDL
3 ch
low

Role in the sentence - LDL and low

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: LDL is anoun and lowanadjective. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 32526, derived from the frequency rank of both members and their visual similarity.

LDL is recorded at frequency rank #32,058, classified as anoun. low is at rank #468, tagged as anadj, pronounced /ˈləʊ/.

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 32526, this pair ranks #337,056 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of LDL vs low

Shared letters: l. Private to "LDL": d. Private to "low": ow.

"LDL" · 3 letters · shape CCC  ·  "low" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "LDL" for "low" ever safe?
No - they are not even the same part of speech. "LDL" is a noun and "low" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "LDL" vs "low" - which ranks higher?
"low" is the more common of the two: it sits at frequency rank #468 in our English list, against #32,058 for "LDL". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Pair "LDL" vs "low" is on the table, pick a follow-up below.

  • Full dictionary entry for "LDL" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "low" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #337,056 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "LDL" and "low" also get mixed up with nearby pairs, the highest-scored neighbour is "LDL vs LSC". Nearby pair

Confusion rank #337,056 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