intenselyvsintensityTell them apart

Quick tell: intensely is a adverb, intensity is a noun, so they fill different roles in a sentence.

Which to use

“intensely” is an adverb and “intensity” is a noun - they look or sound alike but fill different roles in a sentence.

#14,572
“intensely” frequency rank
#5,697
“intensity” frequency rank
20269
confusion score

Side-by-Side Comparison

Feature intensely intensity
Definition In an intense manner. The quality of being intense.

Where the eye mixes intensely and intensity

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence. intensely and intensity follow the identical consonant-vowel pattern (VCCVCCVCV). Same shape at a glance is often the real trap, independent of shared letters.

9 ch
intensely
9 ch
intensity

Visual trap between intensely and intensity

These two trip readers on the page rather than in the ear: intensely is /ɪnˈtɛnsli/ while intensity is /ɪnˈtɛnsɪti/. 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 (adverb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 20269, derived from the frequency rank of both members and their visual similarity.

intensely is recorded at frequency rank #14,572, classified as anadv, pronounced /ɪnˈtɛnsli/. intensity is at rank #5,697, tagged as anoun, pronounced /ɪnˈtɛnsɪti/.

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 20269, this pair ranks #432,292 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of intensely vs intensity

Shared letters: einsty. Private to "intensely": l. Private to "intensity": -.

"intensely" · 9 letters · shape VCCVCCVCV  ·  "intensity" · 9 letters · shape VCCVCCVCV

Known mistypes of this pair

  • intensely ← inetnsely · inntensely · intenesly · intennsely · intenselly · intenselyy · intenseyl · intensley
  • intensity ← inetnsity · inntensity · intenisty · intennsity · intensitty · intensityy · intensiyt · intenssity

Frequently Asked Questions

Do "intensely" and "intensity" mean the same thing in a sentence?
No - they are not even the same part of speech. "intensely" is an adverb and "intensity" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "intensely" or "intensity"?
"intensity" is the more common of the two: it sits at frequency rank #5,697 in our English list, against #14,572 for "intensely". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "intensely" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "intensity" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #432,292 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "intensely" and "intensity" also get mixed up with nearby pairs, the highest-scored neighbour is "intensely vs inversely". 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 #432,292 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