onsite

adj

"onsite" is a 6-letter English headword indexed on PlainSpell.

The verdict

“onsite” has 8 generated spelling variants in the English index at frequency #32,105. The variants make it a useful spelling check.

#32,105
frequency rank, English
1,431
“O” headwords
8
tracked misspellings
4
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - On or at a site.

Corpus desk

Index EN-onsite · onsite · English

onsite · rank #32,105 · 8 variants · 4 confusables

  • FREQ-MID #32,105
  • LEN-LONG 6 letters
  • VOW-3 3 vowels
  • CONFUS-MID 4 pairs
  • VAR-MID 8 variants
  • BOOK-MID 1,431
  • PHOTO-FINISH onerous

Nearest frequency peer: onerous (-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.

Rank peers near misspelling magnet “onsite”

Same rarity band: useful when a typo lands on a peer headword

corpus weight

What this shows “onsite” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.

Source FrequencyWords open word-frequency list As of September 3, 2026

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

onsite vs onset
67% similar
onsite vs online
67% similar
onsite vs onside
83% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for onsite
PropertyValue
Headwordonsite
LanguageEnglish
Part of speechAdjective
Letters6
Frequency rank#32,105
Misspellings tracked8
Confusable pairs4
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “onsite”

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).onsitelands here:

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

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Same rarity band neighbours include “onerous” (#32,104), “O'Shea” (#32,103), “outsource” (#32,107). Among 1,431 “O” headwords, “onsite” is #32,105. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 8 spelling variants around onsite, anadjective. Corpus frequency is #32,105 among 1,431 “O” headwords. Dominant gloss: "On or at a site.".

Our generated misspelling index lists 8 likely wrong-spelling variants for onsite, with forms such as "nosite", "oniste", and "onnsite". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 4 confusable-pair relationships, "onset", "online", "onside", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.

Etymologically, the entry records: From on + site. The correct English form is onsite, spelled O-N-S-I-T-E.

Definition

  1. 1
    On or at a site.

Recorded use

Wiktionary example

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

  1. The NHRC conducted onsite inspections of Chienchen and Suao Fishing Harbors and held numerous seminars with industry, government, and academia representatives.

Etymology

From on + site.

Common misspellings

Also misspelled as:

  • nosite
  • oniste
  • onnsite
  • onsiet
  • onsitte
  • onssite
  • onstie
  • osnite

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of onsite - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.

nosite2oniste2onnsite1onsiet2onsitte1onssite1onstie2osnite2
Edit distance from "onsite"

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 "onsite"?
"onsite" is spelled O-N-S-I-T-E.
What does "onsite" mean?
As an adjective, "onsite" means: On or at a site.
What words are commonly confused with "onsite"?
"onsite" is commonly confused with "onset", "online", "onside". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
What is the origin of the word "onsite"?
From on + site. 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 "onsite", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 6 letters (nearest by frequency rank).

Similar misspelling depth

Headwords with a similar count of attested misspellings (8 here; floor ≥5).

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

Source: FrequencyWords open word-frequency list