on top of

prep

"on-top-of" is a 7-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
9
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Atop.

Corpus desk

Index EN-on-top-of · on top of · English

on top of · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 9 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "O" 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 on top of
PropertyValue
Headwordon top of
LanguageEnglish
Part of speechPreposition
Letters9
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “on top of” in English

on top ofsits beyond the 100,000 most-frequent English words, in the long tail of technical, archaic, or otherwise rare vocabulary where spelling doubt tends to strike hardest.

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

Rare enough to double-check

on top of is uncommon English outside the top frequency list, classed as apreposition. Rarity is why readers land here mid-draft. 4 senses are on record.

on top of has no tracked misspelling variants, a straightforward case of a spelling with little room for common typos. Our confusable-pair dataset has no match for it, which tends to mean the word is visually distinctive enough to stand on its own.

Wiktionary doesn't record an etymology for this headword, so its spelling is best read as a straightforward mapping from sound to letter. The correct English form is on top of, spelled O-N- -T-O-P- -O-F.

Definition

  1. 1
    Atop.
  2. 2
    Very close to, in any orientation or in time.
  3. 3
    In addition to something else.
  4. 4
    Fully informed about, and in control of, something; up to speed with.

Recorded use

Wiktionary examples

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

  1. There's a house on top of the mountain.
  2. Living on top of one another in a refugee camp is stressful.

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 "on top of"?
"on top of" is spelled O-N- -T-O-P- -O-F.
What does "on top of" mean?
As a preposition, "on top of" means: Atop.
What language does "on top of" come from?
"on top of" 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