greatvsgreatlyWhich spelling fits?

Quick tell: great is a adjective, greatly is an adverb, so they fill different roles in a sentence.

Which to use

“great” is an adjective and “greatly” is an adverb - they look or sound alike but fill different roles in a sentence.

#138
“great” frequency rank
#4,090
“greatly” frequency rank
4228
confusion score

Side-by-Side Comparison

Feature great greatly
Definition Taking much space; large. To a great extent or degree.

Where the eye mixes great and greatly

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. great runs 5 letters (CCVVC) against greatly's 7 (CCVVCCV) - the length gap alone is often enough to separate them once you know to check it.

5 ch
great
7 ch
greatly

Why the eye confuses great with greatly

These two trip readers on the page rather than in the ear: great is /ˈɡɹeɪt/ while greatly is /ˈɡɹeɪtli/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “great” sits inside “greatly”, and the parts of speech differ too (adjective vs adverb), which is usually the fastest check. Our composite confusion score for this pair is 4228, derived from the frequency rank of both members and their visual similarity.

great is recorded at frequency rank #138, classified as anadj, pronounced /ˈɡɹeɪt/. greatly is at rank #4,090, tagged as anadv, pronounced /ˈɡɹeɪtli/.

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 4228, this pair ranks #519,582 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of great vs greatly

Shared letters: aegrt. Private to "great": -. Private to "greatly": ly.

"great" · 5 letters · shape CCVVC  ·  "greatly" · 7 letters · shape CCVVCCV

Known mistypes of this pair

  • great ← gerat · ggreat · graet · greatt · grreat · rgeat
  • greatly ← geratly · ggreatly · graetly · grealty · greatlly · greatlyy · greattly · greatyl

Frequently Asked Questions

Do "great" and "greatly" mean the same thing in a sentence?
No - they are not even the same part of speech. "great" is an adjective and "greatly" an adverb, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "great" or "greatly" show up more?
"great" is the more common of the two: it sits at frequency rank #138 in our English list, against #4,090 for "greatly". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

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

  • Full dictionary entry for "great" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "greatly" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #519,582 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "great" and "greatly" also get mixed up with nearby pairs, the highest-scored neighbour is "great vs grt". 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 #519,582 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