unionvsuntoWhat's the difference?

Quick tell: union is a noun, unto is a conjunction, so they fill different roles in a sentence.

Which to use

“union” is a noun and “unto” is a conjunction - they look or sound alike but fill different roles in a sentence.

#890
“union” frequency rank
#7,633
“unto” frequency rank
8523
confusion score

Side-by-Side Comparison

Feature union unto
Definition The act of uniting or joining two or more things into one. Up to the time or degree that; until.

Where the eye mixes union and unto

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

5 ch
union
4 ch
unto

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: union is /ˈjuː.njən/ while unto is /ˈʌntʊ/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs conjunction), which is usually the fastest check. Our composite confusion score for this pair is 8523, derived from the frequency rank of both members and their visual similarity.

union is recorded at frequency rank #890, classified as anoun, pronounced /ˈjuː.njən/. unto is at rank #7,633, tagged as aconj, pronounced /ˈʌntʊ/.

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 8523, this pair ranks #502,066 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of union vs unto

Shared letters: nou. Private to "union": i. Private to "unto": t.

"union" · 5 letters · shape VCVVC  ·  "unto" · 4 letters · shape VCCV

Known mistypes of this pair

  • unionnuion · uinon · unino · unionn · unnion · unoin
  • untonuto · unnto · unot · untto · utno

Frequently Asked Questions

Can "union" and "unto" be used interchangeably?
No - they are not even the same part of speech. "union" is a noun and "unto" a conjunction, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "union" or "unto"?
"union" is the more common of the two: it sits at frequency rank #890 in our English list, against #7,633 for "unto". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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

Source: FrequencyWords open word-frequency list