KEY: Join, [See {[J]?}].
SYN: Unite, adhere, adjoin, add, couple, connect, associate, annex,append, combine, link, accompany, confederate.
ANT: Separate, disjoin, subtract, disconnect.

• Involved
• Invulnerable, [See VULNERABLE]
• Inward
• Iota
• {[IQental]?}
• Irascible, [See HASTY_and_ANGRY]
• Irate, [See HASTY_and_ANGRY]
• Ire, [See WRATH]
• Iridescent
• Irk
• Ironical, [See IRONY]
• Irony
• Irradiate, [See ILLUMINATE]
• Irrational, [See RATIONAL]
• Irreclaimable, [See RECLAIMABLE]
• Irreconcilable, [See RECONCILABLE]
• Irrecoverable
• Irredeemable, [See REDEEMABLE]
• Irreducible
• Irrefragable, [See REFRAGABLE]
• Irrefutable, [See REFRAGABLE]
• Irregular, [See REGULAR]
• Irrelevant, [See RELEVANT]
• Irreligions
• irreligion, [See RELIGION]