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.
house, home, hotel.
Hamper
halter top
Another word for "gather" that starts with an "h" is "harvest." This term is often used to describe the process of collecting crops or resources, but it can also be used more broadly to refer to gathering in general.
hatch
homeboy. (I'm not kidding! I looked it up in the Thesaurus!)