Compounds of

• ミズ
  (n) Ms
  (P)
• ミニ
  (n) mini
  (P)
• ミリ
  (n,pref) (1) milli- (fre:)
  10^-3
  (2) (abbr) millimetre
  millimeter
  (P)
• ミル
  (n) (1) mil (one thousandth of an inch)
  (2) mill
• ミル
  (n) (uk) Codium fragile (species of seaweed)
• ミロ
  (n) milo
• ムツ
  (n) gnomefish (Scombrops boops)
• メー
  (n) bleat
  baa (goat sound)
• メイ
  (n) May
• メカ
  (n) (1) (abbr) mechanical
  (2) mechanism
  (3) mechanic
  (P)
• メガ
  (n,pref) mega-
  10^6
  (P)
• メギ
  (n) (uk) Japanese barberry (Berberis thunbergii)
• メジ
  (n) mage
• メス
  (n) scalpel (dut: mes)
  surgical knife
  (P)
• メゾ
  (n) mezzo (ita:)
• メタ
  (adj-na,n) meta
• メモ
  (n,vs) memorandum
  (P)
• メリ
  (adj-f) merry
• モー
  (n) mho
• モア
  (n) moa (extinct, flightless bird formerly found in New Zealand)
• モカ
  (n) mocha
• モガ
  (n) (abbr) modern girl
  flapper (slang from the 1920s)
• モズ
  (n) (1) (uk) shrike (any bird of family Laniidae)
  (2) bull-headed shrike (Lanius bucephalus)
  butcher bird
• モチ
  (n) (col) (abbr) motivation
• モニ
  (n) (comp) (col) (in P2P networks) a program that monitors (and adjusts) activity of a P2P program
• モノ
  (n) mono
  (P)
• モブ
  (n) (1) mob
  (2) (comp) minor character (in computer games, from mobile object)
• モボ
  (n) (arch) (abbr) modern boy (slang circa the 1920s)
• モル
  (n,adj-no) mole
• ヤオ
  (n) Yao (people)