hemoglobin

/ˌhimoʊˈɡloʊbɪn/

//ˌhimoʊˈɡloʊbɪn// noun

By · According to Wiktionary data (CC BY-SA) ·

"hemoglobin" is a 10-letter English headword indexed on PlainSpell.

The verdict

“hemoglobin” has 15 generated spelling variants in the English index at frequency #32,027. The variants make it a useful spelling check.

#32,027
frequency rank, English
23,837
“H” headwords
15
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The iron-containing substance in red blood cells that transports oxygen from the lungs to the rest of the body; it consists of a protein (globulin), and haem (a porphyrin ring with an atom of iron ...

Key facts for hemoglobin
PropertyValue
Headwordhemoglobin
LanguageEnglish
Part of speechNoun
IPA/ˌhimoʊˈɡloʊbɪn/
Letters10
Frequency rank#32,027
Misspellings tracked15
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “hemoglobin” 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). hemoglobin lands here:

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

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 15 spelling variants around hemoglobin (IPA /ˌhimoʊˈɡloʊbɪn/), anoun. Corpus frequency is #32,027 among 23,837 “H” headwords. Dominant gloss: "The iron-containing substance in red blood cells that transports oxygen from the lungs to the rest of the body; it consists of a protein (globulin), and haem (a porphyrin ring with an atom of iron ...".

Our generated misspelling index lists 15 likely wrong-spelling variants for hemoglobin, with forms such as "ehmoglobin", "hemgolobin", and "hemmoglobin". 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. No close-neighbour confusable shows up for this headword in our dataset, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Etymologically, the entry records: Originally hematinoglobulin, from hematin (from Ancient Greek αἷμα (haîma, “blood”) + -in) + -o- + globulin (from Latin globus (“ball, sphere”) + -in). The correct English form is hemoglobin, spelled H-E-M-O-G-L-O-B-I-N.

Definition

  1. 1
    The iron-containing substance in red blood cells that transports oxygen from the lungs to the rest of the body; it consists of a protein (globulin), and haem (a porphyrin ring with an atom of iron at its centre).

Etymology

Originally hematinoglobulin, from hematin (from Ancient Greek αἷμα (haîma, “blood”) + -in) + -o- + globulin (from Latin globus (“ball, sphere”) + -in).

This word in other languages

hemoglobina(Español)hémoglobine(Français)Hämoglobin(Deutsch)hemoglobina(Português)

Common misspellings

Also misspelled as:

  • ehmoglobin
  • hemgolobin
  • hemmoglobin
  • hemogglobin
  • hemoglboin
  • hemogllobin
  • hemoglobbin
  • hemoglobinn
  • hemoglobni
  • hemogloibn
  • hemogolbin
  • hemolgobin
  • heomglobin
  • hhemoglobin
  • hmeoglobin

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of hemoglobin - 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.

ehmoglobin2hemgolobin2hemmoglobin1hemogglobin1hemoglboin2hemogllobin1hemoglobbin1hemoglobinn1
Edit distance from "hemoglobin"

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 "hemoglobin"?
"hemoglobin" is spelled H-E-M-O-G-L-O-B-I-N. The IPA pronunciation is /ˌhimoʊˈɡloʊbɪn/.
What does "hemoglobin" mean?
As a noun, "hemoglobin" means: The iron-containing substance in red blood cells that transports oxygen from the lungs to the rest of the body; it consists of a protein (globulin), and haem (a porphyrin ring with an atom of iron ...
What are common misspellings of "hemoglobin"?
Common misspellings include "ehmoglobin", "hemgolobin", "hemmoglobin", "hemogglobin", "hemoglboin". The correct spelling is "hemoglobin".
How do you pronounce "hemoglobin"?
The IPA (International Phonetic Alphabet) transcription for "hemoglobin" is /ˌhimoʊˈɡloʊbɪn/. 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 "hemoglobin"?
Originally hematinoglobulin, from hematin (from Ancient Greek αἷμα (haîma, “blood”) + -in) + -o- + globulin (from Latin globus (“ball, sphere”) + -in). 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 “hemoglobin”

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

  • The one correct English spelling is H-E-M-O-G-L-O-B-I-N - every other letter order is a misspelling in standard orthography.
  • Say it as /ˌhimoʊˈɡloʊbɪn/ (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

Same frequency band

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