- [ ] habitat
- [ ] hail
- [x] hammer
- [ ] hamper
- [x] hand out
- [ ] hands down
- [ ] handy
- [ ] hang around
- [ ] hang on to
- [x] hang out
- [ ] harbor
- [x] hardware
- [ ] hardy
- [x] harmony
- [ ] harness
- [ ] harsh
- [x] haste
- [ ] hatch
- [x] haul
- [ ] haunt
- [ ] have in mind
- [x] have nothing to do with
- [x] haven
- [ ] hawk
- [ ] hay
- [ ] hazard
- [ ] head and shoulders above
- [x] heading
- [ ] hear from
- [ ] heed
- [ ] help out
- [x] hemisphere
- [ ] henceforth
- [ ] herald
- [ ] herb
- [ ] herd
- [ ] heritage
- [ ] hibernation
- [x] hide
- [ ] hierarchy
- [ ] hieratic
- [ ] hieroglyph
- [ ] highlight
- [x] hike
- [ ] hind
- [ ] hinder
- [x] hint
- [ ] hinterland
- [ ] hit the ceiling
- [ ] hitherto
- [x] hive
- [ ] hockey
- [ ] hold back
- [x] hold on
- [ ] hold one's breath
- [ ] hold up
- [x] hollow
- [ ] homestead
- [ ] homing
- [ ] hominid
- [ ] homogeneous
- [x] hook
- [x] horizon
- [x] horizontal
- [ ] hormone
- [ ] horn
- [ ] hospitable
- [x] host
- [ ] hostile
- [ ] household
- [ ] hover
- [ ] huddle
- [ ] hue
- [ ] hum
- [x] humanity
- [ ] humid
- [ ] hummingbird
- [ ] hunt for
- [ ] hurl
- [ ] hurricane
- [ ] husk
- [ ] hydrogen
- [ ] hydrothermal
- [ ] hygiene
- [x] hypothesize