aridity

noun

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

The verdict

“aridity” is uncommon English (frequency #97,800 among 3,931 “A” headwords), classed as a noun. The kind of spelling people second-guess.

#97,800
frequency rank, English
3,931
“A” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A long-term lack of rainfall or moisture.

Corpus desk

Index EN-aridity · aridity · English

aridity · rank #97,800 · 0 variants · 0 confusables

  • FREQ-RARE #97,800
  • LEN-LONG 7 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 3,931
  • PHOTO-FINISH Arps

Nearest frequency peer: Arps (+2 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 “aridity”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for aridity
PropertyValue
Headwordaridity
LanguageEnglish
Part of speechNoun
Letters7
Frequency rank#97,800
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “aridity” in English

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).aridityfalls 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: “Arps” (#97,802), “ASBO” (#97,804), “Antipas” (#97,794). Among 3,931 “A” headwords, “aridity” is #97,800. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

aridity is uncommon English at frequency #97,800 among 3,931 “A” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "A long-term lack of rainfall or moisture.".

We couldn't generate a plausible misspelling set for aridity, since its letter pattern doesn't lend itself to common typo substitutions. We don't track a confusable pairing for this entry, which typically means the spelling is too distinctive to be mistaken for another word.

Etymologically, the entry records: Borrowed from Latin āriditās (“dryness”); equivalent to arid + -ity. The correct English form is aridity, spelled A-R-I-D-I-T-Y.

Definition

  1. 1
    A long-term lack of rainfall or moisture.

Etymology

Borrowed from Latin āriditās (“dryness”); equivalent to arid + -ity.

Synonyms

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 "aridity"?
"aridity" is spelled A-R-I-D-I-T-Y.
What does "aridity" mean?
As a noun, "aridity" means: A long-term lack of rainfall or moisture.
What is the origin of the word "aridity"?
Borrowed from Latin āriditās (“dryness”); equivalent to arid + -ity. 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 "aridity", 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