KEY: Incursion.
SYN: Invasion, encroachment, inroad, irruption, foray, raid,dragonnade, sally.
ANT: Encampment, settlement, abode, retreat.

• Inflexion, [See INFLECTION]
• Inflict
• Infliction
• Influence
• Influence \v
• Influential
• Infold, [See ENFOLD]
• Inform
• Informal, [See FORMAL]
• Information
• Infraction
• Infrangible, [See FRANGIBLE]
• Infrequency
• Infrigidation, [See INCANDESCENCE]
• Infringe
• Infuriate, [See INFLAME]
• Infuse
• Ingenious
• Ingenuous
• Inglorious
• Ingraft, [See GRAFT]
• Ingratiate
• Ingratitude, [See GRATITUDE]
• Ingredient
• Ingress, [See EGRESS]