Soldier
Sailor
noun
へいたい
軍人 (ぐんじん) Soldier, Military Personnel
兵 (へい) Soldier, Army, Troops
兵士 (へいし) Soldier
兵隊 (へいたい) Soldier, Sailor
米兵 (べいへい) US Soldier, American Soldier
水兵 (すいへい) Navy Sailor, Sailor, Seaman
騎兵 (きへい) Cavalry
〜隊 (たい) Squad, Party, Team
軍隊 (ぐんたい) Army, An Army
艦隊 (かんたい) Naval Fleet, Armada
Perhaps Soldiers hate へい ties たい because they could get strangled with them in battle.