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. |
Letter map: realise vs realtime
Shared letters muted; letters that set realise and realtime apart highlighted. Shared run: 6. realise runs 7 letters (CVVCVCV) against realtime's 8 (CVVCCVCV) - the length gap alone is often enough to separate them once you know to check it.
Role in the sentence - realise and realtime
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
Frequently Asked Questions
Do "realise" and "realtime" mean the same thing in a sentence?
Frequency check: "realise" vs "realtime" - which ranks higher?
Useful next steps
Pair "realise" vs "realtime" is on the table, pick a follow-up below.
- Full dictionary entry for "realise" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "realtime" - compare definitions side by side with the headword page. Word entry
- This pair ranks #274,628 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "realise" and "realtime" also get mixed up with nearby pairs, the highest-scored neighbour is "ragtime vs realtime". 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 #274,628 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.