Hubble telescope and hydrogen are space words. They begin with the letter h.
Hubble space telescope
Hubble telescope is an outer space word. It begins with the letter h.
Hate
Hiroshima and Holocaust are history words. They begin with the letter h.
happenHalloweenhardenhandymanhandgunhalonharpoonhooliganhastenhairpinheronheartburnheathenheightenhadronhenhexagonheptagonheparinheavenheadpinhiddenhighbornhoganhatpinhadronhellionhornhorsemanhomonymhousemanhumanhumanitarianhyphen
The Hubble telescope is in space. It begins with the letter h.
Hubble space telescope
Hubble telescope is an outer space word. It begins with the letter h.
Hate
Hiroshima and Holocaust are history words. They begin with the letter h.
hertz
happenHalloweenhardenhandymanhandgunhalonharpoonhooliganhastenhairpinheronheartburnheathenheightenhadronhenhexagonheptagonheparinheavenheadpinhiddenhighbornhoganhatpinhadronhellionhornhorsemanhomonymhousemanhumanhumanitarianhyphen
heathearthearingheaphealhearsayheartheavenheavyheadheadstrongheadrestheaddressheadlineheaderheaveheadmasterheadingheartyheaterheatedheatwaveheartbrokenheartfeltheartenedheadyheard
haunted house
Weightlessness is a space word. It begins with the letter w.
Hubble telescope
A list of compound words beginning with H is below:haircuthairstylehairbrushhairpiecehairlinehairballhalfbackhalftimehandlebarshardwoodhardwarehardboundhallmarkhalfwayhallwayhailstoneheadboardheadmasterheadphonesheadlineheadstrongheadstoneheadstandheadstallheadcountheadbandheadbuttheadlongheadwayheadbangingheartbreakheartbrokenheartthrobheartacheheartsickheartfeltheartstringsheartbeatheartburnheatwaveheatstrokeheavyweightherselfhimselfhighpointhighchairhightailhilltophighlighthighwayhideawayhideboundhomebodyhomegrownhomelandhometownhomeschoolinghomesickhomemadehomeworkhorsepowerhorsebackhotpothotcakeshotplatehourglasshouseflyhouseboundhouseboathousecleanhousewarminghousemaidhousewifehoweverhousecoathousewares