thoughvstroughWhat's the difference?

Quick tell: though is a adverb, trough is a noun, so they fill different roles in a sentence.

Which to use

“though” is an adverb and “trough” is a noun - they look or sound alike but fill different roles in a sentence.

#298
“though” frequency rank
#16,606
“trough” frequency rank
16904
confusion score

Side-by-Side Comparison

Feature though trough
Definition Despite that; however. A long, narrow container, open on top, for feeding or watering animals.

Where the eye mixes though and trough

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.

6 ch
though
6 ch
trough

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: though is /ðəʊ/ while trough is /tɹɒf/. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - h in “though” becomes r in “trough”, and the parts of speech differ too (adverb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 16904, derived from the frequency rank of both members and their visual similarity.

though is recorded at frequency rank #298, classified as anadv, pronounced /ðəʊ/. trough is at rank #16,606, tagged as anoun, pronounced /tɹɒf/.

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 16904, this pair ranks #454,843 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of though vs trough

Shared letters: ghotu. Private to "though": -. Private to "trough": r.

"though" · 6 letters · shape CCVVCC  ·  "trough" · 6 letters · shape CCVVCC

Known mistypes of this pair

  • thoughhtough · thhough · thoguh · thouggh · thoughh · thouhg · thuogh · tohugh
  • troughrtough · torugh · troguh · trouggh · troughh · trouhg · trrough · truogh

Frequently Asked Questions

Can "though" and "trough" be used interchangeably?
No - they are not even the same part of speech. "though" is an adverb and "trough" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "though" or "trough"?
"though" is the more common of the two: it sits at frequency rank #298 in our English list, against #16,606 for "trough". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

You've compared "though" and "trough". Here's where to go from here.

  • Full dictionary entry for "though" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "trough" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #454,843 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "though" and "trough" also get mixed up with nearby pairs, the highest-scored neighbour is "trough vs troupe". 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

PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.

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

Source: FrequencyWords open word-frequency list