gratefulvsgratefullyWhat's the difference?

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

Which to use

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

#3,947
“grateful” frequency rank
#41,654
“gratefully” frequency rank
45601
confusion score

Side-by-Side Comparison

Feature grateful gratefully
Definition Of a person or their actions, feelings, etc.: expressing gratitude or appreciation; appreciative, thankful. In a grateful manner.

Where the eye mixes grateful and gratefully

Muted = shared; highlighted = the visual trap. They share 8 letters in sequence. grateful runs 8 letters (CCVCVCVC) against gratefully's 10 (CCVCVCVCCV) - the length gap alone is often enough to separate them once you know to check it.

8 ch
grateful
10 ch
gratefully

Visual trap between grateful and gratefully

These two trip readers on the page rather than in the ear: grateful is /ˈɡɹeɪtf(ʊ)l/ while gratefully is /ˈɡɹeɪtfəli/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “grateful” sits inside “gratefully”, and the parts of speech differ too (adjective vs adverb), which is usually the fastest check. Our composite confusion score for this pair is 45601, derived from the frequency rank of both members and their visual similarity.

grateful is recorded at frequency rank #3,947, classified as anadj, pronounced /ˈɡɹeɪtf(ʊ)l/. gratefully is at rank #41,654, tagged as anadv, pronounced /ˈɡɹeɪtfəli/.

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 45601, this pair ranks #219,706 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of grateful vs gratefully

Shared letters: aefglrtu. Private to "grateful": -. Private to "gratefully": y.

"grateful" · 8 letters · shape CCVCVCVC  ·  "gratefully" · 10 letters · shape CCVCVCVCCV

Known mistypes of this pair

  • grateful ← garteful · ggrateful · graetful · gratefful · grateflu · gratefull · grateufl · gratfeul
  • gratefully ← gartefully · ggratefully · graetfully · grateffully · gratefluly · gratefullyy · gratefuly · gratefulyl

Frequently Asked Questions

Do "grateful" and "gratefully" mean the same thing in a sentence?
No - they are not even the same part of speech. "grateful" is an adjective and "gratefully" an adverb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "grateful" or "gratefully"?
"grateful" is the more common of the two: it sits at frequency rank #3,947 in our English list, against #41,654 for "gratefully". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "grateful" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "gratefully" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #219,706 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "grateful" and "gratefully" also get mixed up with nearby pairs, the highest-scored neighbour is "gracefully vs gratefully". 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 #219,706 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