Mawson, C.O.S., ed. (1870–1938). Roget’s International Thesaurus. 1922.

Class V. Words Releasing to the Voluntary Powers
Division (I) Individual Volition
Section IV. Antagonism
2. Active Antagonism

726. Combatant.

   NOUN:COMBATANT; disputant, controversialist, polemic, litigant, belligerent; competitor, rival, corrival; fighter, assailant; champion, Paladin; mosstrooper, swashbuckler, fire eater, duelist, swordsman, sabreur [F.], beau sabreur [F.]; athlete, wrestler, boxer.
  bully, bludgeon man, rough, rowdy, ruffian, tough [colloq., U. S.], gunman [colloq., U. S.], Thug or thug; terrorist [See Blusterer]; fighting man, prize fighter, pugilist, bruiser, the fancy [now rare], gladiator, fighting-cock, gamecock.
  SOLDIER, warrior, brave, man at arms, guardsman, gendarme [F.]; campaigner, veteran; redcoat, military man, Rajput; armiger, esquire, knight; Amazon.
  Janizary or Janissary; myrmidon; Mameluke or Mamaluke, spahi or spahee, bashi-bazouk [Turk.], Cossack, Croat, Pandor; irregular, free lance, franc-tireur, tirailleur, guerrilla or guerilla, condottiere [It.], mercenary; bushwhacker, companion; Hessian.
  private, – soldier; Tommy Atkins [Brit.], doughboy [slang, U. S.], rank and file, peon, sepoy [India], légionnaire [F.], legionary, food for powder, fodder for cannon, Kannonenfutter [Ger.]; spearman, pikeman; archer, bowman; halberdier; musketeer, carabineer, rifleman, sharpshooter, jäger or yager, skirmisher; grenadier, fusileer, infantryman, foot soldier, footman [rare], light infantryman, chasseur, zouave; artilleryman, gunner, cannoneer, bombardier [hist.], matross [obs.]; engineer; sapper, – and miner; cavalryman, trooper, sowar [India], dragoon; light -, heavy- dragoon; heavy, cuirassier, hussar, lancer; recruit, rookie [slang, U. S.], conscript, drafted man, enlisted man.
  officer (commander) [See Master]; subaltern, ensign, standard bearer.
  HORSE AND FOOT; cavalry, horse, light horse, mounted rifles; infantry, foot, light infantry, rifles; artillery, horse artillery, field artillery, gunners; military train.
  ARMED FORCE, troops, soldiery, military, forces, Sabaoth, host, the army, standing army, regulars, the line, troops of the line, militia, national guard, state guard [U. S.], bodyguard, yeomanry, volunteers, trainband, fencibles [hist.]; auxiliary, bersagliere [It.]; garde -nationale, – royale [F.]; minuteman [Am. hist.]; auxiliary -, reserve- forces; reserves, posse comitatus [L.], posse; guards, yeomen of the guard, beefeaters [Eng.], life guards, household troops, Horse Guards, Foot Guards; Swiss guards.
  LEVY, draft or draught; raw levies, awkward squad; Landwehr, Landsturm.
  ARMY, corps d’armée [F.], army corps; host, division, battalia [rare], sotnia [Russ.], column, wing, detachment, garrison, flying column, brigade, regiment, corps, battalion, squadron, company, battery, subdivision, section, platoon, squad; picket, guard, rank, file; legion, phalanx, cohort, maniple, manipulus [Rom. hist.]; cloud of skirmishers.
  WAR HORSE, charger, destrer or destrier [archaic].
  NAVY, first line of defense, wooden walls, naval forces, fleet, flotilla, armada, squadron; man-of-war’s man (sailor) [See Mariner]; marines.
  MAN-OF-WAR, line-of-battle ship, ship of the line, battleship, warship, ironclad, war vessel, war castle, H.M.S., U.S.S.; superdreadnought, dreadnought, cruiser; armored -, protected- cruiser; torpedo-boat, – destroyer; destroyer, torpedo-catcher, gunboat; submarine, submersible, U-boat; submarine chaser; mine layer, sweeper; turret ship, ram, monitor, floating battery; first-rate, frigate, sloop of war, corvet or corvette; bomb vessel; flagship, guard ship, privateer; troopship, transport, tender, store-ship, catamaran [obs.], fire boat.
  AËROPLANE, airplane, aëro [colloq.], avion [F.], Fokker, dirigible, blimp [cant]; zeppelin &c. (aëronautics) [See Ship].
  1. They left the peaceful river. The cricket field, the quad, The shaven lawns of Oxford, To seek a bloody sod.—W. M. Letts
  2. They who to Glory’s fanning This streamer have unfurled, The men whose joy is manning, The men who man the world!—William Watson