openness

noun

"openness" is a 8-letter English headword indexed on PlainSpell.

The verdict

“openness” is a moderately-common English word, ranked #17,195 in English word frequency and used as a noun.

#17,195
frequency rank, English
8
letters
8
tracked misspellings
1
confusable pair

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Accommodating attitude or opinion, as in receptivity to new ideas, behaviors, cultures, peoples, environments, experiences, etc., different from the familiar, conventional, traditional, or one's own.

Visual similarity to commonly confused words

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

openness vs oneness
75% similar

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

Key facts for openness
PropertyValue
Headwordopenness
LanguageEnglish
Part of speechNoun
Letters8
Frequency rank#17,195
Misspellings tracked8
Confusable pairs1
SourceWiktionary (kaikki.org)

Where “openness” sits in English frequency

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

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

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for openness is 8 letters long, classified as a noun. Corpus data places it at rank #17,195 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 5 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 8 likely wrong-spelling variants for openness, with forms such as "oepnness", "openenss", and "openess". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. It also participates in 1 confusable-pair relationship, "oneness", since the words sound or look close enough that writers reach for the wrong one mid-sentence.

Etymologically, the entry records: From Middle English *opennesse, from Old English openness (“openness, publicity”), equivalent to open + -ness. Cognate with Old High German offannussi (“disclosure, revelation, openness”). The correct English form is openness, spelled O-P-E-N-N-E-S-S.

Definition

  1. 1
    Accommodating attitude or opinion, as in receptivity to new ideas, behaviors, cultures, peoples, environments, experiences, etc., different from the familiar, conventional, traditional, or one's own.
  2. 2
    The degree to which a person, group, organization, institution, or society exhibits this liberal attitude or opinion.
  3. 3
    Lack of secrecy; candour, transparency.
  4. 4
    The degree of accessibility to view, use, and modify in a shared environment with legal rights generally held in common and preventing proprietary restrictions on the right of others to continue viewing, using, modifying and sharing.
  5. 5
    The degree to which a system operates with distinct boundaries across which exchange occurs capable of inducing change in the system while maintaining the boundaries themselves.

Etymology

From Middle English *opennesse, from Old English openness (“openness, publicity”), equivalent to open + -ness. Cognate with Old High German offannussi (“disclosure, revelation, openness”).

Synonyms

This word in other languages

Common misspellings

Also misspelled as: oepnness,openenss,openess,opennes,opennses,opneness,oppenness,poenness

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of openness - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.

oepnness2openenss2openess1opennes1opennses2opneness2oppenness1poenness2
Edit distance from "openness"

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 "openness"?
"openness" is spelled O-P-E-N-N-E-S-S.
What does "openness" mean?
As a noun, "openness" means: Accommodating attitude or opinion, as in receptivity to new ideas, behaviors, cultures, peoples, environments, experiences, etc., different from the familiar, conventional, traditional, or one's own.
What words are commonly confused with "openness"?
"openness" is commonly confused with "oneness". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
What is the origin of the word "openness"?
From Middle English *opennesse, from Old English openness (“openness, publicity”), equivalent to open + -ness. Cognate with Old High German offannussi (“disclosure, revelation, openness”). 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.

Using “openness”

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

  • The one correct English spelling is O-P-E-N-N-E-S-S - every other letter order is a misspelling in standard orthography.
  • Don't mix it up with “oneness” - see the side-by-side comparison. openness vs oneness
  • 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