• insit,
• instit,
• inbto,
• instad,
• inssit,
• insie,
• insant,
• inito,
• aainst,
• tinist,
• sunst,
• inute,
• iost,
• inkit,
• inot,
• insolt,
• instan,
• jnust,
• intt,
• inits

• install,
• inmost,
• instil,
• instant,
• inset,
• inciter,
• in-situ,
• instead,
• ingot,
• instill,
• isn't,
• instal,
• instep,
• incite,
• instar,
• -ist,
• In situ.

The plural form of the word "inst" is "insts".

The singular form of the word "inst" is "inst".