morphine

/ˈmɔː.fiːn/

//ˈmɔː.fiːn// noun

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

The verdict

“morphine” has 12 generated spelling variants in the English index at frequency #17,903. The variants make it a useful spelling check.

#17,903
frequency rank, English
4,057
“M” headwords
12
tracked misspellings
1
confusable pair

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A crystalline alkaloid (4,5-epoxy-17-methyl-7,8-didehydromorphinan-3,6-diol), extracted from opium, the salts of which are soluble in water and are used as analgesics, anaesthetics and sedatives; i...

Corpus desk

Index EN-morphine · morphine · English

morphine · rank #17,903 · 12 variants · 1 confusable

  • FREQ-MID #17,903
  • LEN-LONG 8 letters
  • VOW-3 3 vowels
  • CONFUS-LOW 1 pairs
  • VAR-MID 12 variants
  • BOOK-MID 4,057
  • PHOTO-FINISH motherhood

Nearest frequency peer: motherhood (+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.

Rank peers near misspelling magnet “morphine”

Same rarity band: useful when a typo lands on a peer headword

corpus weight

What this shows “morphine” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.

Source FrequencyWords open word-frequency list As of September 3, 2026

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

morphine vs moraine
75% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for morphine
PropertyValue
Headwordmorphine
LanguageEnglish
Part of speechNoun
IPA/ˈmɔː.fiːn/
Letters8
Frequency rank#17,903
Misspellings tracked12
Confusable pairs1
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “morphine”

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right).morphinelands here:

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

Scale is logarithmic (each tick is 10× rarer). Same rarity band neighbours include “motherhood” (#17,904), “moan” (#17,901), “Motorola” (#17,905). Among 4,057 “M” headwords, “morphine” is #17,903. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 12 spelling variants around morphine (IPA /ˈmɔː.fiːn/), anoun. Corpus frequency is #17,903 among 4,057 “M” headwords. Dominant gloss: "A crystalline alkaloid (4,5-epoxy-17-methyl-7,8-didehydromorphinan-3,6-diol), extracted from opium, the salts of which are soluble in water and are used as analgesics, anaesthetics and sedatives; i...".

Our generated misspelling index lists 12 likely wrong-spelling variants for morphine, with forms such as "mmorphine", "moprhine", and "morhpine". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. It also participates in 1 confusable-pair relationship, "moraine", where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: Borrowed from French morphine or German Morphin, from Ancient Greek Μορφεύς (Morpheús, “the god and personification of dreams”). The correct English form is morphine, spelled M-O-R-P-H-I-N-E.

Definition

  1. 1
    A crystalline alkaloid (4,5-epoxy-17-methyl-7,8-didehydromorphinan-3,6-diol), extracted from opium, the salts of which are soluble in water and are used as analgesics, anaesthetics and sedatives; it is one of a group of morphine alkaloids.

Etymology

Borrowed from French morphine or German Morphin, from Ancient Greek Μορφεύς (Morpheús, “the god and personification of dreams”).

Synonyms

This word in other languages

Common misspellings

Also misspelled as:

  • mmorphine
  • moprhine
  • morhpine
  • morphhine
  • morphien
  • morphinne
  • morphnie
  • morpihne
  • morpphine
  • morrphine
  • mrophine
  • omrphine

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of morphine - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.

mmorphine1moprhine2morhpine2morphhine1morphien2morphinne1morphnie2morpihne2
Edit distance from "morphine"

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 "morphine"?
"morphine" is spelled M-O-R-P-H-I-N-E. The IPA pronunciation is /ˈmɔː.fiːn/.
What does "morphine" mean?
As a noun, "morphine" means: A crystalline alkaloid (4,5-epoxy-17-methyl-7,8-didehydromorphinan-3,6-diol), extracted from opium, the salts of which are soluble in water and are used as analgesics, anaesthetics and sedatives; i...
What words are commonly confused with "morphine"?
"morphine" is commonly confused with "moraine". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "morphine"?
The IPA (International Phonetic Alphabet) transcription for "morphine" is /ˈmɔː.fiːn/. 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 "morphine"?
Borrowed from French morphine or German Morphin, from Ancient Greek Μορφεύς (Morpheús, “the god and personification of dreams”). 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 "morphine", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 8 letters (nearest by frequency rank).

Similar misspelling depth

Headwords with a similar count of attested misspellings (12 here; floor ≥5).

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

Source: FrequencyWords open word-frequency list