• strearm,
• stearm,
• ideam,
• sideas,
• scearm,
• dearm,
• bigeram,
• side rm,
• side arm,
• syde arm,
• aidearm,
• zidearm,
• sidearn,
• siedarm,
• sidearrm,
• sydearm,
• siddeward,
• sirdarr,
• sydenam,
• sidehil

• side arm.

The adjective form of the word "sidearm" is "sidearmed".

The plural form of the word "sidearm" is "sidearms"

The singular form of the word "sidearm" is "sidearm". It is both the singular and plural form, meaning it does not change whether referring to one or multiple sidearms.