tenvstooWhich spelling fits?

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

Which to use

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

#959
“ten” frequency rank
#121
“too” frequency rank
1080
confusion score

Side-by-Side Comparison

Feature ten too
Definition The number occurring after nine and before eleven, represented in Arabic numerals (base ten) as 10 and in Roman numerals as X. Likewise.

Where the eye mixes ten and too

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
ten
3 ch
too

Look-alike desk: ten vs too

These two trip readers on the page rather than in the ear: ten is /tɛn/ while too is /tuː/. 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 (num vs adverb), which is usually the fastest check. Our composite confusion score for this pair is 1080, derived from the frequency rank of both members and their visual similarity.

ten is recorded at frequency rank #959, classified as anum, pronounced /tɛn/. too is at rank #121, tagged as anadv, pronounced /tuː/.

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 1080, this pair ranks #528,147 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of ten vs too

Shared letters: t. Private to "ten": en. Private to "too": o.

"ten" · 3 letters · shape CVC  ·  "too" · 3 letters · shape CVV

Frequently Asked Questions

Is swapping "ten" for "too" ever safe?
No - they are not even the same part of speech. "ten" is a num and "too" an adverb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "ten" or "too"?
"too" is the more common of the two: it sits at frequency rank #121 in our English list, against #959 for "ten". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Eye-level mix-up between "ten" and "too" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "ten" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "too" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #528,147 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "ten" and "too" also get mixed up with nearby pairs, the highest-scored neighbour is "Taf vs ten". Nearby pair

Confusion rank #528,147 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