toughvstruthTell them apart

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

Which to use

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

#1,777
“tough” frequency rank
#960
“truth” frequency rank
2737
confusion score

Side-by-Side Comparison

Feature tough truth
Definition Strong and resilient; sturdy. True facts, genuine depiction or statements of reality.

Where the eye mixes tough and truth

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
tough
5 ch
truth

Look-alike desk: tough vs truth

These two trip readers on the page rather than in the ear: tough is /tʌf/ while truth is /tɹuːθ/. 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 (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 2737, derived from the frequency rank of both members and their visual similarity.

tough is recorded at frequency rank #1,777, classified as anadj, pronounced /tʌf/. truth is at rank #960, tagged as anoun, pronounced /tɹuːθ/.

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 2737, this pair ranks #524,176 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of tough vs truth

Shared letters: htu. Private to "tough": go. Private to "truth": r.

"tough" · 5 letters · shape CVVCC  ·  "truth" · 5 letters · shape CCVCC

Known mistypes of this pair

  • toughotugh · toguh · touggh · toughh · touhg · ttough · tuogh
  • truthrtuth · trruth · trtuh · truht · truthh · trutth · ttruth · turth

Frequently Asked Questions

Is swapping "tough" for "truth" ever safe?
No - they are not even the same part of speech. "tough" is an adjective and "truth" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "tough" or "truth" show up more?
"truth" is the more common of the two: it sits at frequency rank #960 in our English list, against #1,777 for "tough". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "tough" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "truth" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #524,176 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "tough" and "truth" also get mixed up with nearby pairs, the highest-scored neighbour is "Toth vs tough". 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 #524,176 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