Thalassa

name

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

The verdict

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

Unranked
below top-frequency English
8
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A moon of Neptune.

Corpus desk

Index EN-thalassa · Thalassa · English

Thalassa · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 8 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "T" 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 Thalassa
PropertyValue
HeadwordThalassa
LanguageEnglish
Part of speechProper noun
Letters8
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “Thalassa” in English

Thalassafalls 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

Thalassa is uncommon English outside the top frequency list, classed as aproper noun. Rarity is why readers land here mid-draft. 2 senses are on record.

No generated misspelling entries exist for Thalassa in our index, since its letter sequence doesn't invite the usual edit-distance slips. No close-neighbour confusable shows up for this headword in our dataset, a sign it's visually distinctive enough not to be mixed up with another word.

Etymologically, the entry records: From Ancient Greek θᾰ́λᾰσσᾰ (thắlăssă). The correct English form is Thalassa, spelled T-H-A-L-A-S-S-A.

Definition

  1. 1
    A moon of Neptune.
  2. 2
    The primordial goddess of the sea.

Etymology

From Ancient Greek θᾰ́λᾰσσᾰ (thắlăssă).

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 "Thalassa"?
"Thalassa" is spelled T-H-A-L-A-S-S-A.
What does "Thalassa" mean?
As a proper noun, "Thalassa" means: A moon of Neptune.
What is the origin of the word "Thalassa"?
From Ancient Greek θᾰ́λᾰσσᾰ (thắlăssă). 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.

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

Source: FrequencyWords open word-frequency list