intentionvsintentionalWhat's the difference?

Quick tell: intention is a noun, intentional is an adjective, so they fill different roles in a sentence.

Which to use

“intention” is a noun and “intentional” is an adjective - they look or sound alike but fill different roles in a sentence.

#4,095
“intention” frequency rank
#10,874
“intentional” frequency rank
14969
confusion score

Side-by-Side Comparison

Feature intention intentional
Definition A course of action that a person intends to follow. Intended or planned; done deliberately or voluntarily.

Where the spellings diverge

Shared letters are muted; the letters that actually set intention and intentional apart are highlighted. They share 9 letters in sequence, which is exactly why the eye skips the difference.

9 ch
intention
11 ch
intentional

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: intention is /ɪnˈtɛnʃn̩/ while intentional is /ɪnˈtɛnʃənəl/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “intention” sits inside “intentional”, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 14969, derived from the frequency rank of both members and their visual similarity.

intention is recorded at frequency rank #4,095, classified as anoun, pronounced /ɪnˈtɛnʃn̩/. intentional is at rank #10,874, tagged as anadj, pronounced /ɪnˈtɛnʃənəl/.

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 14969, this pair ranks #466,846 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of intention vs intentional

Shared letters: einot. Private to "intention": -. Private to "intentional": al.

"intention" · 9 letters · shape VCCVCCVVC  ·  "intentional" · 11 letters · shape VCCVCCVVCVC

Known mistypes of this pair

  • intentioninetntion · inntention · inteniton · intenntion · intension · intentino · intentionn · intentoin
  • intentionalinetntional · inntentional · intenitonal · intenntional · intentinoal · intentioanl · intentionall · intentionla

Frequency comparison

intention#4,095
intentional#10,874

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "intention" and "intentional" be used interchangeably?
No - they are not even the same part of speech. "intention" is a noun and "intentional" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "intention" or "intentional"?
"intention" is the more common of the two: it sits at frequency rank #4,095 in our English list, against #10,874 for "intentional". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering intention vs intentional

The fastest way to pick the right one every time.

  • Check the role first: if you need a noun, it's “intention”; for an adjective, it's “intentional”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “intention” 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