haematite vs hematite

haematite and hematite both are nouns.

Word	Noun	Adjective	Verb	Adverb
haematite	Yes	No	No	No
hematite	Yes	No	No	No

As nouns, haematite and hematite are synonyms defined as:

haematite and hematite: the principal form of iron ore; consists of ferric oxide in crystalline form; occurs in a red earthy form

haematite (noun)	hematite (noun)
the principal form of iron ore; consists of ferric oxide in crystalline form; occurs in a red earthy form	the principal form of iron ore; consists of ferric oxide in crystalline form; occurs in a red earthy form