mothvsMRTConfusable pair

Which to use

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

#15,005
“moth” frequency rank
#40,351
“MRT” frequency rank
55356
confusion score

Side-by-Side Comparison

Feature moth MRT
Definition Any flying insect of the order Lepidoptera not in the superfamily Papilionoidea, most species of which are nocturnal and can be distinguished from butterflies by feather-like antennae. Initialism of magnetic resonance tomography.

Where the eye mixes moth and MRT

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

4 ch
moth
3 ch
MRT

Look-alike desk: moth vs MRT

A purely visual mix-up. moth (/mɒθ/) and MRT (/ɛm ɑː(ɹ)tiː/) 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 55356, derived from the frequency rank of both members and their visual similarity.

moth is recorded at frequency rank #15,005, classified as anoun, pronounced /mɒθ/. MRT is at rank #40,351, tagged as anoun, pronounced /ɛm ɑː(ɹ)tiː/.

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 55356, this pair ranks #134,235 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of moth vs MRT

Shared letters: mt. Private to "moth": ho. Private to "MRT": r.

"moth" · 4 letters · shape CVCC  ·  "MRT" · 3 letters · shape CCC

Known mistypes of this pair

  • mothmmoth · moht · mothh · motth · mtoh · omth

Frequently Asked Questions

Is swapping "moth" for "MRT" ever safe?
No. They are said differently (/mɒθ/ versus /ɛm ɑː(ɹ)tiː/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary English text, does "moth" or "MRT" show up more?
"moth" is the more common of the two: it sits at frequency rank #15,005 in our English list, against #40,351 for "MRT". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "moth" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "MRT" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #134,235 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "moth" and "MRT" also get mixed up with nearby pairs, the highest-scored neighbour is "MMP vs MRT". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #134,235 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