mafic

/ˈmafɪk/

//ˈmafɪk// adj

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

The verdict

“mafic” is uncommon English (frequency #76,088 among 4,057 “M” headwords), classed as an adjective. The kind of spelling people second-guess.

#76,088
frequency rank, English
4,057
“M” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Describing rocks, such as silicate minerals, magmas, and volcanic and intrusive igneous rocks, which contain relatively high concentrations of magnesium and iron.

Corpus desk

Index EN-mafic · mafic · English

mafic · rank #76,088 · 0 variants · 0 confusables

  • FREQ-RARE #76,088
  • LEN-MID 5 letters
  • VOW-2 2 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 4,057
  • PHOTO-FINISH magisterium

Nearest frequency peer: magisterium (+1 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 “mafic”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for mafic
PropertyValue
Headwordmafic
LanguageEnglish
Part of speechAdjective
IPA/ˈmafɪk/
Letters5
Frequency rank#76,088
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “mafic” 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).maficfalls in this rarity band:

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

Scale is logarithmic (each tick is 10× rarer). Rare peers in the same band: “magisterium” (#76,089), “MacMahon” (#76,086), “mackinaw” (#76,085). Among 4,057 “M” headwords, “mafic” is #76,088. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

mafic is uncommon English at frequency #76,088 among 4,057 “M” headwords, classed as anadjective, transcribed /ˈmafɪk/. Rarity is why readers land here mid-draft. Gloss: "Describing rocks, such as silicate minerals, magmas, and volcanic and intrusive igneous rocks, which contain relatively high concentrations of magnesium and iron.".

mafic has no tracked misspelling variants, since its letter pattern doesn't lend itself to common typo substitutions. This headword has no recorded confusable partner, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: Blend of magnesium + ferric. The correct English form is mafic, spelled M-A-F-I-C.

Definition

  1. 1
    Describing rocks, such as silicate minerals, magmas, and volcanic and intrusive igneous rocks, which contain relatively high concentrations of magnesium and iron.

Recorded use

Wiktionary examples

These source excerpts show how mafic appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Much of the southern half of the southeastern body is a mafic syenite, slightly more felsic than the shonkinite.
  2. As a whole, rocks of this type are referred to as mafic, because of the importance of magnesium and iron in their composition.

Etymology

Blend of magnesium + ferric.

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 "mafic"?
"mafic" is spelled M-A-F-I-C. The IPA pronunciation is /ˈmafɪk/.
What does "mafic" mean?
As an adjective, "mafic" means: Describing rocks, such as silicate minerals, magmas, and volcanic and intrusive igneous rocks, which contain relatively high concentrations of magnesium and iron.
How do you pronounce "mafic"?
The IPA (International Phonetic Alphabet) transcription for "mafic" is /ˈmafɪk/. 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 "mafic"?
Blend of magnesium + ferric. 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 "mafic", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 5 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list