obligatevsobligeWhat's the difference?

Which to use

“obligate” and “oblige” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#48,936
“obligate” frequency rank
#25,505
“oblige” frequency rank
74441
confusion score

Side-by-Side Comparison

Feature obligate oblige
Definition To bind, compel, constrain, or oblige by a social, legal, or moral tie. To constrain someone by force or by social, moral or legal means.

Where the spellings diverge

Shared letters are muted; the letters that actually set obligate and oblige apart are highlighted. They share 6 letters in sequence, which is exactly why the eye skips the difference.

8 ch
obligate
6 ch
oblige

Spelling & Dictionary Insight

A purely visual mix-up. obligate (/ˈɒb.lɪˌɡeɪt/) and oblige (/əˈblaɪd͡ʒ/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 2 letter(s) in length. Our composite confusion score for this pair is 74441, derived from the frequency rank of both members and their visual similarity.

obligate is recorded at frequency rank #48,936, classified as averb, pronounced /ˈɒb.lɪˌɡeɪt/. oblige is at rank #25,505, tagged as averb, pronounced /əˈblaɪd͡ʒ/.

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 74441, this pair ranks #36,308 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of obligate vs oblige

Shared letters: begilo. Private to "obligate": at. Private to "oblige": -.

"obligate" · 8 letters · shape VCCVCVCV  ·  "oblige" · 6 letters · shape VCCVCV

Known mistypes of this pair

  • obligateboligate · obbligate · obilgate · oblgiate · obliagte · obligaet · obligatte · obliggate
  • obligebolige · obblige · obilge · oblgie · oblieg · obligge · obllige · olbige

Frequency comparison

obligate#48,936
oblige#25,505

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "obligate" and "oblige" be used interchangeably?
No. They are said differently (/ˈɒb.lɪˌɡeɪt/ versus /əˈblaɪd͡ʒ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "obligate" or "oblige"?
"oblige" is the more common of the two: it sits at frequency rank #25,505 in our English list, against #48,936 for "obligate". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering obligate vs oblige

The fastest way to pick the right one every time.

  • Read both glosses above and match the meaning you intend, only context separates this pair.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “obligate” entry
  • Browse more pairs most likely to be confused. Most confusable

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

Source: FrequencyWords open word-frequency list