split up

verb

"split-up" is a 7-letter English headword indexed on PlainSpell.

The verdict

“split up” is uncommon English (outside the top frequency list), classed as a verb. The kind of spelling people second-guess.

Unranked
below top-frequency English
8
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Cease to be together, break apart from the group.

Corpus desk

Index EN-split-up · split up · English

split up · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 8 letters
  • VOW-2 2 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "S" thin
  • PHOTO-UNK Peer pending

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for split up
PropertyValue
Headwordsplit up
LanguageEnglish
Part of speechVerb
Letters8
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “split up” in English

split upranks outside the top 100,000 English headwords, in the long tail of specialist, archaic, or seldom-used vocabulary, exactly the territory where a reader stops mid-sentence to double-check spelling.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

split up is uncommon English outside the top frequency list, classed as averb. Rarity is why readers land here mid-draft. 2 senses are on record.

No generated misspelling entries exist for split up in our index, since its letter sequence doesn't invite the usual edit-distance slips. This headword has no recorded confusable partner, which typically means the spelling is too distinctive to be mistaken for another word.

No explicit etymology string is stored for this entry, so its spelling is best read as a straightforward mapping from sound to letter. The correct English form is split up, spelled S-P-L-I-T- -U-P.

Definition

  1. 1
    Cease to be together, break apart from the group.
  2. 2
    separate, disassociate, cause to come apart.

Recorded use

Wiktionary examples

These source excerpts show how split up appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. After she left to go travelling, my girlfriend and I split up.
  2. The soldiers split up into smaller squadrons to search the building.

This word in other languages

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "split up"?
"split up" is spelled S-P-L-I-T- -U-P.
What does "split up" mean?
As a verb, "split up" means: Cease to be together, break apart from the group.
What language does "split up" come from?
"split up" is a English word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

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

Source: FrequencyWords open word-frequency list