Following are all the howitzer like words, in the list below.
TRENCH MORTAR
100% like howitzer
MORTAR
99.89% like howitzer
CANNON
66.72% like howitzer
GUN
66.72% like howitzer
POUNDER
66.33% like howitzer
ARTILLERY
33.44% like howitzer
GATLING
33.44% like howitzer
RECOILLESS
33.44% like howitzer
BAZOOKA
33.44% like howitzer
MACHINEGUN
33.44% like howitzer
MORTARS
33.44% like howitzer
SMOOTHBORE
33.44% like howitzer
CARRONADE
33.44% like howitzer
HALFTRACK
33.44% like howitzer
CANNONEER
33.44% like howitzer
UNLIMBER
33.44% like howitzer
SHELLFIRE
33.44% like howitzer
ANTITANK
33.44% like howitzer
CARRONADES
33.44% like howitzer
CULVERIN
33.44% like howitzer
MUNITION
33.44% like howitzer
CARBINE
33.44% like howitzer
CANNONEERS
33.44% like howitzer
GATLINGS
33.44% like howitzer
CANNONS
33.44% like howitzer
INFANTRY
33.44% like howitzer
ARTILLERIST
33.44% like howitzer
MANTLET
33.44% like howitzer
105MM
33.44% like howitzer
PDRS
33.44% like howitzer
ANTIAIRCRAFT
33.44% like howitzer
UNLIMBERED
33.44% like howitzer
BOFORS
33.44% like howitzer
UNLIMBERING
33.44% like howitzer
MINIGUN
33.44% like howitzer
DEFILADE
33.44% like howitzer
POPGUN
33.44% like howitzer
ORDNANCE
33.44% like howitzer
HOWDAH
33.44% like howitzer
TURRET
33.44% like howitzer
MUSKET
33.44% like howitzer
MACHINEGUNS
33.44% like howitzer
COUNTERFIRE
33.44% like howitzer
BREECHLOADING
33.44% like howitzer
SMOOTHBORES
33.44% like howitzer
ARMAMENT
33.44% like howitzer
BAZOOKAS
33.44% like howitzer
POPGUNS
33.44% like howitzer
ARTILLERISTS
33.44% like howitzer
SALVOES
33.44% like howitzer
GRENADE
33.44% like howitzer
ANTIARMOR
33.44% like howitzer
CARBINES
33.44% like howitzer
MUNITIONS
33.44% like howitzer
GRENADES
33.44% like howitzer
HALFTRACKS
33.44% like howitzer
CANNONADE
33.44% like howitzer
SPONSON
33.44% like howitzer
ANTIPERSONNEL
33.44% like howitzer
ARQUEBUS
33.44% like howitzer
GRANADE
33.44% like howitzer
SALVO
33.44% like howitzer
ENFILADE
33.44% like howitzer
GUN-HOWITZER
33.44% like howitzer
MOUNTAIN HOWITZER
33.44% like howitzer
SUPERGUN
33.44% like howitzer
AUTOCANNON
33.44% like howitzer
ORGAN GUN
33.44% like howitzer
ARTILLERY WHEEL
33.44% like howitzer
BALLISTA
33.44% like howitzer
WATER CANNON
33.44% like howitzer
HOTGUN
33.44% like howitzer
RECOILLESS RIFLE
33.44% like howitzer
MITRAILLEUSE
33.44% like howitzer
HANDGUN
33.44% like howitzer
ROCKET LAUNCHER
33.44% like howitzer
GATLING GUN
33.44% like howitzer
WHEELGUN
33.44% like howitzer
AIR PISTOL
33.44% like howitzer
MACHINE GUN
33.44% like howitzer
RAILWAY GUN
33.44% like howitzer
MILITARY ENGINE
33.44% like howitzer
MAXIM GUN
33.44% like howitzer
LIGHT GUN
33.44% like howitzer
REVOLVER
33.44% like howitzer
KATYUSHA
33.44% like howitzer
STEAM GUN
33.44% like howitzer
HURTER
33.44% like howitzer
MAGNUM
33.44% like howitzer
GRENADE LAUNCHER
33.44% like howitzer
LIMBER
33.44% like howitzer
PELLET GUN
33.44% like howitzer
MAXIM
33.44% like howitzer
TANK DESTROYER
33.44% like howitzer
TRAINING WHEEL
33.44% like howitzer
MACHINE PISTOL
33.44% like howitzer
CAMION
33.44% like howitzer
RAIL SHOOTER
33.44% like howitzer
ENGINE
33.44% like howitzer
DOUBLE-BARRELLED SHOTGUN
33.44% like howitzer