happilyvshastilyTell them apart

Which to use

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

#5,970
“happily” frequency rank
#19,610
“hastily” frequency rank
25580
confusion score

Side-by-Side Comparison

Feature happily hastily
Definition In a happy or cheerful manner; with happiness. In a hasty manner; quickly or hurriedly.

Where the eye mixes happily and hastily

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. happily and hastily follow the identical consonant-vowel pattern (CVCCVCV). Same shape at a glance is often the real trap, independent of shared letters.

7 ch
happily
7 ch
hastily

Look-alike desk: happily vs hastily

A purely visual mix-up. happily (/ˈhæp.ɪ.li/) and hastily (/ˈheɪstɪli/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 25580, derived from the frequency rank of both members and their visual similarity.

happily is recorded at frequency rank #5,970, classified as anadv, pronounced /ˈhæp.ɪ.li/. hastily is at rank #19,610, tagged as anadv, pronounced /ˈheɪstɪli/.

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 25580, this pair ranks #393,213 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of happily vs hastily

Shared letters: ahily. Private to "happily": p. Private to "hastily": st.

"happily" · 7 letters · shape CVCCVCV  ·  "hastily" · 7 letters · shape CVCCVCV

Known mistypes of this pair

  • happily ← ahppily · hapily · hapiply · happilly · happilyy · happiyl · happliy · hhappily
  • hastily ← ahstily · hasitly · hasstily · hastilly · hastilyy · hastiyl · hastliy · hasttily

Frequently Asked Questions

Is swapping "happily" for "hastily" ever safe?
No. They are said differently (/ˈhæp.ɪ.li/ versus /ˈheɪstɪli/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "happily" or "hastily"?
"happily" is the more common of the two: it sits at frequency rank #5,970 in our English list, against #19,610 for "hastily". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Eye-level mix-up between "happily" and "hastily" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "happily" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "hastily" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #393,213 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "happily" and "hastily" also get mixed up with nearby pairs, the highest-scored neighbour is "handily vs hastily". 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 #393,213 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