topside

/ˈtɑp.saɪd/

//ˈtɑp.saɪd// noun

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

The verdict

“topside” is uncommon English (frequency #59,079 among 3,151 “T” headwords), classed as a noun. The kind of spelling people second-guess.

#59,079
frequency rank, English
3,151
“T” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The side or part of something that is at the top.

Corpus desk

Index EN-topside · topside · English

topside · rank #59,079 · 0 variants · 0 confusables

  • FREQ-RARE #59,079
  • LEN-LONG 7 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 3,151
  • PHOTO-FINISH tog

Nearest frequency peer: tog (-1 rank slots)

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.

Long-tail ranks near “topside”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “topside” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for topside
PropertyValue
Headwordtopside
LanguageEnglish
Part of speechNoun
IPA/ˈtɑp.saɪd/
Letters7
Frequency rank#59,079
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “topside” in English

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right).topsidefalls in this rarity band:

#1#100#1K#10K#100K
← used constantlyrarely used →

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Rare peers in the same band: “tog” (#59,078), “Torrington” (#59,080), “tibial” (#59,077). Among 3,151 “T” headwords, “topside” is #59,079. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

topside is uncommon English at frequency #59,079 among 3,151 “T” headwords, classed as anoun, transcribed /ˈtɑp.saɪd/. Rarity is why readers land here mid-draft. 5 senses are on record.

Zero misspellings are on record for topside in our index, and the word's spelling is regular enough that our generator found nothing worth flagging. No confusable counterpart is on file for this word, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: From top + side. The correct English form is topside, spelled T-O-P-S-I-D-E.

Definition

  1. 1
    The side or part of something that is at the top.
  2. 2
    The surface of a ship’s hull that is above the water line.
  3. 3
    The structure and assembly of modules above the jacket or gravity base sub structure.
  4. 4
    The structure and assembly of modules on the deck of any floating installation.
  5. 5
    The outer side of a round of beef.

Recorded use

Wiktionary examples

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

  1. Yet the topside exerts significant control over the lower ionosphere and hence also has an indirect effect on long-range radio communications.
  2. These sounders have produced a wealth of information not only about the distribution of electrons in the topside but also about the response of plasma when the transmitter is embedded in it.

Etymology

From top + side.

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); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "topside"?
"topside" is spelled T-O-P-S-I-D-E. The IPA pronunciation is /ˈtɑp.saɪd/.
What does "topside" mean?
As a noun, "topside" means: The side or part of something that is at the top.
How do you pronounce "topside"?
The IPA (International Phonetic Alphabet) transcription for "topside" is /ˈtɑp.saɪd/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "topside"?
From top + side. See the full etymology section above for more details.
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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "topside", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 7 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list