Gamut
Entire range or spectrum of possible outcomes or conditions
Genesis
Beginning or origin
Genre
Class or category, especially when referring to arts or entertainment
Gist
Essential content, central idea
Glutton
One who overeats or indulges in anything to excess
Grievance
Complaint made against an individual or an organization; also a grudge held over a period of time
Guile
Cunning, deceit, duplicity
Havoc
Great damage, destruction, or confusion
Hazard
Danger or risk of injury
Heresy
Opinion directly opposed to established beliefs, especially in a religious sense
Heritage
Historical family, cultural, or organizational set of traditions, customs, or values. Also can refer to an inheritance
Hindrance
Obstacle or delaying obstruction
Hoax
Deliberate attempt to trick someone, either as a joke or serious
Horde
Multitude, great mass of people
Horizon
Farthest limit, usually referring to vision, knowledge, or experience
Hue
Shade of color
Hysteria
Excessive or uncontrollable fear or other strong emotion
Idiom
Regional or group jargon, dialect, or manner of speech; can also mean a phrase or expression that has a different meaning than the literal meaning of the words that make it up
Illusion
Idea or impression that differs from reality
Image
Likeness or reflected or interpreted impression of a person, object, or locale
Impetus
Moving force or starting idea
Incentive
Motivation or benefit to doing something
Incumbent
Present holder of an office or position
Incursion
Hostile invasion
Indolence
Laziness
Infirmity
Physical disease, injury, or defect
Influx
Flowing in of a substance, as of a wave or a flood
Infraction
Violation of a rule, regulation, or law
Initiative
Desire, idea, or ability to take the first step in carrying out some action
Innovation
New or improved way of doing something
Integrity
Moral and intellectual honesty and forthrightness; may also refer to the quality of a structure
Interim
Period of time between one event, process, or period and another
Interlude
Short feature or period of time coming between two other, longer events
Intrigue
Secret plot or scheme
Intuition
Knowledge or conclusion obtained through instinct or feeling rather than conscious thought
Invective
Insulting or abusive piece
Iota
Very small amount or piece
Itinerary
Agenda or schedule of events or places visited during a trip