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.
hurl
homopathic, homopathy
huba huba
Humans or Homo Sapiens.
Probably Homey. Right?
This could be haggard.
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.
halter top
Hamper
hatch
homeboy. (I'm not kidding! I looked it up in the Thesaurus!)