KEY: Friendless, [See FRIEND_and_FORLORN].

• Intumescence
• Inundate
• {[Inurbanltr]?}
• Inure, [See ACCUSTOM]
• Inutility
• Invade
• Invalid
• Invalidate
• Invaluable
• Invasion
• Invective
• Inveigh
• Inveigle
• Invent
• Inventive, [See INGENIOUS]
• Inventor
• Inventory
• Inversion
• Invert
• Investigate, [See EXAMINE]
• Investigation
• Investiture
• Investment, [See INVESTITURE]
• Invest, [See DIVEST]
• Inveterate