Word Unit: muni-, muniti- (Latin: fortify, defending)
Word Unit: mur- (Latin: wall)
Word Unit: muro-, mur-, muri- (Latin: mouse, mice)
Word Unit: musculo-, muscul- (Latin: muscle; literally, "little mouse")
Word Unit: muse (Latin: musum, "muzzle, snout"; Old French muser "to meditate, to ponder", perhaps literally "to go around with one's nose in the air" from muse "muzzle, snout")
Word Unit: muses (Greek: goddesses of fine arts; including, Calliope, Clio, Erato, Urania, Euterpe, Polyhymnia, Thalia, Melpomene, and Terpsichore)
Word Unit: musico-, music- + (Greek: mousike [techne] > Latin: musica, music; originally an art of the Muses)
Word Unit: muso-, mus- (Greek: mouse, mice)
Word Unit: mut- (Latin: change, changeable)

Inter-related cross references, directly or indirectly, involving word units meaning "another, other, different, alternating, varied, changing": ali-; allo-; alter-; allelo-; hetero-; poikilo-; reciproc-; vari-.

Word Unit: mut- (Greek > Latin: unable to speak, inarticulate, dumb; uttering no sound, silent, silence, still, quiet)
Word Unit: mutil- + (Latin: mutilatus, mutilare; to cut off, to lop off; to maim, to mangle)

Related cutting-word units: cast-; castrat-; -cise, -cide; -ectomy; put-; sec-, seg-; temno-; -tomy; trunc-.

Word Unit: mutual- (Latin > French: done in exchange; reciprocal; with the same feelings or relationships; shared by two people or groups, in common with each other)
Word Unit: myco- (Greek: mucus; a protective secretion from the mucous membranes in the nose, throat, and lungs; a thick fluid produced by the linings of some tissues of the body and is secreted as a protective lubricant coating by cells and glands of the mucous membranes)
Word Unit: myco-, myc-, myceto-, mycet-, -myces, -mycetous, -mycetic, -mycetous, -mycosis + (Greek: fungus, fungi; mushroom)

A cross reference of a word group that is related, directly or indirectly, to: "fungus, fungi": fungi-.

Word Unit: myelin-, myelino- + (Greek: lipoid substance (containing or resembling fat) sheathing certain nerve fibers; lipoid substance found in body tissue)
Word Unit: myelo-, myel- (Greek: bone marrow; the spinal cord and medulla oblongata; the myelin sheath of nerve fibers)
Word Unit: myi- (Greek: a fly)
Word Unit: myo-, my-, myos- (Greek: muscle; said to be from a Greek word meaning "mouse")
Word Unit: myria-, myrio-, myri- (Greek: ten thousand; very numerous, countless)
Word Unit: myring-, myringo- + (Greek > Latin: membrane, tympanic [drum] membranes in the ears)

Related "ear" word families: auri-; oto-; tympano- (drum, stretched membrane).