tenvstenthWhich spelling fits?

Quick tell: ten is a num, tenth is an adjective, so they fill different roles in a sentence.

Which to use

“ten” is a num and “tenth” is an adjective - they look or sound alike but fill different roles in a sentence.

#959
“ten” frequency rank
#8,097
“tenth” frequency rank
9056
confusion score

Side-by-Side Comparison

Feature ten tenth
Definition The number occurring after nine and before eleven, represented in Arabic numerals (base ten) as 10 and in Roman numerals as X. The ordinal numeral form of ten; next in order after that which is ninth.

Where the eye mixes ten and tenth

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

3 ch
ten
5 ch
tenth

Visual trap between ten and tenth

These two trip readers on the page rather than in the ear: ten is /tɛn/ while tenth is /tɛnθ/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “ten” sits inside “tenth”, and the parts of speech differ too (num vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 9056, derived from the frequency rank of both members and their visual similarity.

ten is recorded at frequency rank #959, classified as anum, pronounced /tɛn/. tenth is at rank #8,097, tagged as anadj, pronounced /tɛnθ/.

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 9056, this pair ranks #499,312 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of ten vs tenth

Shared letters: ent. Private to "ten": -. Private to "tenth": h.

"ten" · 3 letters · shape CVC  ·  "tenth" · 5 letters · shape CVCCC

Known mistypes of this pair

  • tenthetnth · tenht · tennth · tenthh · tentth · tetnh · tneth · ttenth

Frequently Asked Questions

Is swapping "ten" for "tenth" ever safe?
No - they are not even the same part of speech. "ten" is a num and "tenth" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "ten" or "tenth" show up more?
"ten" is the more common of the two: it sits at frequency rank #959 in our English list, against #8,097 for "tenth". 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 "ten" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "tenth" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #499,312 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "ten" and "tenth" also get mixed up with nearby pairs, the highest-scored neighbour is "tenth vs Toth". 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 #499,312 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