- Heritage
- Hermeneutics
- Hermetic
- Hero
- Hero-worship
- Heroic death
- Heroic verse
- Heroically
- Heron
- Herpetology
- Herring
- Herring-bone
- Herself
- Hibiscus
- Hesitant
- Hesitation
- Hessonite
- Heterodox
- Heterodoxy
- Heterogeneity
- Heterotrophs
- Heuristics
- Hew
- Hexagon
- Hexagonal
- Hi-fi
- Hibernate
- Hid
- Hidden agenda
- Hideous
- Hides
- Hiding-place
- Higgle
- Higgledy-piggledy
- High and low
- High court
- High five
- High noon
- High pitch
- High souled
- High spirits
- High street
- High water mark
- High-born
- High-flown
- High-tech
- High-water
- Highboy
- Higher education
- Highlighter
- Highway
- Hijacker
- Hijacking
- Hiker
- Hilarious
- Hilarity
- Hill stations
- Hills
- Him
- Hinderin
- Hindi
- Hindquarters
- Hindu
- Hindu mythology
- Hindu theology
- Hining
- Hinted at
- Hip flask
- Hip-pocket
- Hippo
- Hippodrome
- Hippy
- Hire
- Hire and fire
- Hire purchase
- Hirsute
- His
- Horsewhip
- His thoughts range over past
- Historic
- Historical
- Hit against
- Hit list
- Hit the right nail on the head
- Hit upon
- Hitchhike
- Hither
- Hitherto
- Hitter
- Hoarders
- Hoarsely
- Hoary
- Hobby
- Hobnail
- Hobnob
- Hobson's choice
- Hock
- Hockey stick
- Hog
- Hog in armour