Word Unit: margarito- (Latin: pearls)
Word Unit: marito-, marit- (Latin: pertaining to a husband or marriage; used as a prefix)
Word Unit: Mars (Ares), words from myths (Mars [Greek: Ares], Roman god of war; fourth planet from the sun)
Word Unit: marsup- (Greek: pouch, purse)
Word Unit: martyr- (Greek: (martus, martur-); Late Greek: (martur); Late Ecclesiastical Latin (martyr), Old English (martyr), Middle English (martir); witness)
Word Unit: masca- + (Latin: specter, witch, mask, nightmare > Italian mascera > French, masque [covering to hide or to protect the face])
Word Unit: maschal- (Greek: armpit)
Word Unit: mascu-, mas- (Latin: male, manly, of or relating to men or boys; of the male sex and gender; bold, courageous)
Word Unit: massac- (Latin > French: wholesale slaughter, carnage; slaughterhouse, butchery)
Word Unit: mastic-, masti- (Latin: to chew; Greek: to gnash, grind, or rub the upper and lower teeth together)
Word Unit: mastig-, mastigo- + (Greek: whip, flog, scourge)
Word Unit: masto-, mast-, -mastia, -masty + (Greek: breast; the front of the human chest and either of two soft rounded organs on each side of the chest in women and men; however, with women the organs are more prominent and produce milk after childbirth; also, a milk-producing gland in mammals that corresponds to the human breast)

Cross references of word families that are related, partially or totally, to: "breast, breasts, chest": mammill-; mammo-; mastoido-; mazo-; pectoro-; pleuro-; sterno-; stetho-; thorac-.

Word Unit: mastoido-, mastoid- + (Greek: breast; used in the specialized sense as "of or pertaining to the breast-shaped mastoid process of the temporal bone)
Word Unit: mater-, matri-, matro- matr- + (Latin: mother, mama, mom; mum [British])
Word Unit: materi- (Latin: matter, stuff, wood, timber; of or belonging to matter)
Word Unit: math-, -math + (Greek > Latin: learning, science, that which is learned; knowledge)

Inter-related cross references, directly or indirectly, involving word units meaning "know, knowledge; learn, learning": cogni-; discip-; gno-; histor-; intellect-; learn, know; sap-; sci-; sopho-.

Word Unit: Mathematics ()
Word Unit: matur- (Latin: ripe; to ripen; timely)
Word Unit: matut-, matuti-, matuto- (Latin: morning; early)
Word Unit: maxi- (Latin: large, great, greatest)

Related "big, large, great" words: grand-; macro-; magni-; major-; mega-; megalo-.