realisevsrealtimeWhat's the difference?

Quick tell: realise is a verb, realtime is an adjective, so they fill different roles in a sentence.

Which to use

“realise” is a verb and “realtime” is an adjective - they look or sound alike but fill different roles in a sentence.

#4,625
“realise” frequency rank
#35,041
“realtime” frequency rank
39666
confusion score

Side-by-Side Comparison

Feature realise realtime
Definition Non-Oxford British standard spelling of realize. Alternative form of real-time.

Where the spellings diverge

Shared letters are muted; the letters that actually set realise and realtime apart are highlighted. They share 6 letters in sequence, which is exactly why the eye skips the difference.

7 ch
realise
8 ch
realtime

Spelling & Dictionary Insight

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: realise is averb and realtimeanadjective. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 39666, derived from the frequency rank of both members and their visual similarity.

realise is recorded at frequency rank #4,625, classified as averb. realtime is at rank #35,041, tagged as anadj, pronounced /ˈɹiːəltaɪm/.

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 39666, this pair ranks #274,628 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of realise vs realtime

Shared letters: aeilr. Private to "realise": s. Private to "realtime": mt.

"realise" · 7 letters · shape CVVCVCV  ·  "realtime" · 8 letters · shape CVVCCVCV

Known mistypes of this pair

  • realiseeralise · raelise · reailse · realies · realisse · reallise · realsie · relaise
  • realtimeeraltime · raeltime · realitme · realltime · realtiem · realtimme · realtmie · realttime

Frequency comparison

realise#4,625
realtime#35,041

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "realise" and "realtime" be used interchangeably?
No - they are not even the same part of speech. "realise" is a verb and "realtime" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "realise" or "realtime"?
"realise" is the more common of the two: it sits at frequency rank #4,625 in our English list, against #35,041 for "realtime". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering realise vs realtime

The fastest way to pick the right one every time.

  • Check the role first: if you need a verb, it's “realise”; for an adjective, it's “realtime”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “realise” entry
  • Browse more pairs most likely to be confused. Most confusable

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list