add up

verb

"add-up" is a 5-letter English headword indexed on PlainSpell.

The verdict

“add up” is outside the top-ranked English vocabulary, used as a verb - the kind of word writers most often double-check.

Unranked
below top-frequency English
6
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - To take the sum of; to total.

Key facts for add up
PropertyValue
Headwordadd up
LanguageEnglish
Part of speechVerb
Letters6
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “add up” sits in English frequency

add up falls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

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

Spelling & Dictionary Insight

The English entry for add up is 6 letters long, classified as a verb. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. Wiktionary records 3 distinct senses for this headword, so context determines which meaning a reader should apply.

add up has no tracked misspelling variants, since its letter sequence doesn't invite the usual edit-distance slips. Our confusable-pair dataset has no match for it, since no other headword is close enough in sound or shape to pair with it.

This headword's origin isn't recorded in our source data, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct English form is add up, spelled A-D-D- -U-P.

Definition

  1. 1
    To take the sum of; to total.
  2. 2
    To accumulate; to amount to.
  3. 3
    To make sense; to be reasonable or consistent.

Synonyms

Antonyms

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 "add up"?
"add up" is spelled A-D-D- -U-P.
What does "add up" mean?
As a verb, "add up" means: To take the sum of; to total.
What language does "add up" come from?
"add up" is a English word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
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.

Using “add up”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is A-D-D- -U-P - every other letter order is a misspelling in standard orthography.
  • Browse more English words and confusable pairs in the same reference. English words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list