alga

/ˈæl.ɡə/

//ˈæl.ɡə// noun

"alga" is a 4-letter English headword indexed on PlainSpell.

The verdict

“alga” is an uncommon English word, ranked #64,173 in English word frequency and used as a noun.

#64,173
frequency rank, English
4
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Any of many aquatic photosynthetic organisms, including the seaweeds, whose size ranges from a single cell to giant kelps and whose biochemistry and forms are very diverse, some being eukaryotic.

Key facts for alga
PropertyValue
Headwordalga
LanguageEnglish
Part of speechNoun
IPA/ˈæl.ɡə/
Letters4
Frequency rank#64,173
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “alga” 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). alga 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 alga is 4 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˈæl.ɡə/. Corpus data places it at rank #64,173 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. The dominant gloss from Wiktionary reads: "Any of many aquatic photosynthetic organisms, including the seaweeds, whose size ranges from a single cell to giant kelps and whose biochemistry and forms are very diverse, some being eukaryotic.".

Our edit-distance generator produced no likely misspellings for alga, which points to an orthography that plays by predictable English rules. Our dataset records no confusable match here, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: From Latin alga. The correct English form is alga, spelled A-L-G-A.

Definition

  1. 1
    Any of many aquatic photosynthetic organisms, including the seaweeds, whose size ranges from a single cell to giant kelps and whose biochemistry and forms are very diverse, some being eukaryotic.

Etymology

From Latin alga.

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 "alga"?
"alga" is spelled A-L-G-A. The IPA pronunciation is /ˈæl.ɡə/.
What does "alga" mean?
As a noun, "alga" means: Any of many aquatic photosynthetic organisms, including the seaweeds, whose size ranges from a single cell to giant kelps and whose biochemistry and forms are very diverse, some being eukaryotic.
How do you pronounce "alga"?
The IPA (International Phonetic Alphabet) transcription for "alga" is /ˈæl.ɡə/. 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 "alga"?
From Latin alga. 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 “alga”

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

  • The one correct English spelling is A-L-G-A - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈæl.ɡə/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • 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