initialvsinitiallyWhich spelling fits?

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

Which to use

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

#1,947
“initial” frequency rank
#3,068
“initially” frequency rank
5015
confusion score

Side-by-Side Comparison

Feature initial initially
Definition Chronologically first, early; of or pertaining to the beginning, cause or origin. At the beginning.

Where the eye mixes initial and initially

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence.

7 ch
initial
9 ch
initially

Visual trap between initial and initially

These two trip readers on the page rather than in the ear: initial is /ɪˈnɪʃəl/ while initially is /ɪˈnɪʃəli/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “initial” sits inside “initially”, and the parts of speech differ too (adjective vs adverb), which is usually the fastest check. Our composite confusion score for this pair is 5015, derived from the frequency rank of both members and their visual similarity.

initial is recorded at frequency rank #1,947, classified as anadj, pronounced /ɪˈnɪʃəl/. initially is at rank #3,068, tagged as anadv, pronounced /ɪˈnɪʃəli/.

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 5015, this pair ranks #516,877 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of initial vs initially

Shared letters: ailnt. Private to "initial": -. Private to "initially": y.

"initial" · 7 letters · shape VCVCVVC  ·  "initially" · 9 letters · shape VCVCVVCCV

Known mistypes of this pair

  • initialiintial · iniital · initail · initiall · initila · inittial · innitial · intiial
  • initiallyiintially · iniitally · initailly · initiallyy · initialy · initialyl · initilaly · inittially

Frequently Asked Questions

Do "initial" and "initially" mean the same thing in a sentence?
No - they are not even the same part of speech. "initial" is an adjective and "initially" an adverb, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "initial" or "initially" show up more?
"initial" is the more common of the two: it sits at frequency rank #1,947 in our English list, against #3,068 for "initially". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "initial" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "initially" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #516,877 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "initial" and "initially" also get mixed up with nearby pairs, the highest-scored neighbour is "inertial vs initial". 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 #516,877 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