Which to use
“ultimo” is an adjective and “uptime” is a noun - they look or sound alike but fill different roles in a sentence.
- #49,117
- “ultimo” frequency rank
- #38,221
- “uptime” frequency rank
- 87338
- confusion score
Side-by-Side Comparison
| Feature | ultimo | uptime |
|---|---|---|
| Definition | On the last day (of a specified month). | The period of time a computer has functioned since last requiring a reboot. |
Letter map: ultimo vs uptime
Shared letters muted; letters that set ultimo and uptime apart highlighted. Shared run: 4.
Part-of-speech tell for ultimo / uptime
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ultimo is anadjective and uptimeanoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 87338, derived from the frequency rank of both members and their visual similarity.
ultimo is recorded at frequency rank #49,117, classified as anadj, pronounced /ˈʌltɪməʊ/. uptime is at rank #38,221, tagged as anoun.
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 87338, this pair ranks #7,738 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of ultimo vs uptime
Shared letters: imtu. Private to "ultimo": lo. Private to "uptime": ep.
"ultimo" · 6 letters · shape VCCVCV · "uptime" · 6 letters · shape VCCVCV
Known mistypes of this pair
Frequently Asked Questions
Do "ultimo" and "uptime" mean the same thing in a sentence?
Frequency check: "ultimo" vs "uptime" - which ranks higher?
After this comparison
Pair "ultimo" vs "uptime" is on the table, pick a follow-up below.
- Full dictionary entry for "ultimo" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "uptime" - compare definitions side by side with the headword page. Word entry
- This pair ranks #7,738 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "ultimo" and "uptime" also get mixed up with nearby pairs, the highest-scored neighbour is "ultima vs ultimo". 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 #7,738 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.