paleo-

/ˈpæl.i.əʊ/

//ˈpæl.i.əʊ// prefix

"paleo" is a 5-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
6
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Old; ancient or primitive.

Corpus desk

Index EN-paleo · paleo- · English

paleo- · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 6 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "P" 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 paleo-
PropertyValue
Headwordpaleo-
LanguageEnglish
Part of speechPrefix
IPA/ˈpæl.i.əʊ/
Letters6
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “paleo-” sits in English frequency

paleo-falls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

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

Rare enough to double-check

paleo- is uncommon English outside the top frequency list, classed as aprefix, transcribed /ˈpæl.i.əʊ/. Rarity is why readers land here mid-draft. 3 senses are on record.

paleo- has no tracked misspelling variants, a sign its spelling follows regular English conventions. We don't track a confusable pairing for this entry, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: From Ancient Greek παλαιός (palaiós, “old”). The correct English form is paleo-, spelled P-A-L-E-O--.

Definition

  1. 1
    Old; ancient or primitive.
  2. 2
    Related to paleontology.
  3. 3
    Used to form informal names of taxa; basal.

Etymology

From Ancient Greek παλαιός (palaiós, “old”).

Antonyms

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 "paleo-"?
"paleo-" is spelled P-A-L-E-O--. The IPA pronunciation is /ˈpæl.i.əʊ/.
What does "paleo-" mean?
As a prefix, "paleo-" means: Old; ancient or primitive.
How do you pronounce "paleo-"?
The IPA (International Phonetic Alphabet) transcription for "paleo-" is /ˈpæl.i.əʊ/. 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 "paleo-"?
From Ancient Greek παλαιός (palaiós, “old”). 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.

What to do next

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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