Humans or Homo Sapiens.
hurl
homopathic, homopathy
huba huba
This could be haggard.
Probably Homey. Right?
Another word (synonym) for the word "unpleasant" that starts with an "h" is "horrific". Or at least that is what I could think of.
halter top
Hamper
house, home, hotel.
hatch
homeboy. (I'm not kidding! I looked it up in the Thesaurus!)
h- harsh h-humble