• H : hug
• H-bomb
• HAZMAT
• HB : hug back
• HBM : His Britannic Majesty
• HDSL : High Bit-Rate Digital Subscriber Line
• HE : His Eminence
• HE : His Excellency
• HEPA filter
• HF circuit
• HF welding
• HGV : heavy goods vehicle
• HH : His Highness
• HH : His Holiness
• HH : holding hands
• HHJK
• HHOJ
• HHOK : Ha, ha, just kidding !
• HHOS : Ha, ha, only serious!
• HIH : hope it helps!
• HIV : Human Immuno-deficiency Virus
• HIV-negative
• HIWTH : hate it when that happens
• HM : His Majesty
• HMS : His Majesty's Ship
• HO : Head Office
• HP, H.P., hp : horsepower
• HQ, Hq. : Headquarters
• HR department
• HRH : His Royal Highness
• HTH : Hope that helps.
• HTML : Hypertext Markup Language
• HTTP : Hypertext Transfer/Transmission Protocol
• HVAC : heating, ventilation and air conditioning
• Hachisuka's Sunbird
• Hadada Ibis
• Hadean
• Hadrian's wall
• Hagatna
• Hagen
• Hainan Hill Partridge
• Hair-crested Drongo
• Hairy Woodpecker
• Hairy-backed Bulbul
• Hairy-breasted Barbet
• Hairy-crested Antcatcher
• Haiti
• Haitian
• Halab
• Haleb
• Half-collared Gnatwren
• Half-collared Kingfisher
• Hall Babbler
• Hall's Giant Petrel
• Hall's Greenbul
• Halle
• Hallow
• Halloween
• Hallowmas
• Hallstatt age
• Hallstatt era
• Halmahera Cuckoo Shrike
• Halmahera Owlet-Nightjar
• Halt!
• Hamburg
• Hamilton
• Hamilton's rule
• Hamlet, Prince of Denmark
• Hammerkop
• Hammond organ
• Hammond's Flycatcher
• Hand of the Creator
• Handan
• Hands off!
• Hands up!
• Handsome Flycatcher
• Handsome Francolin
• Handsome Fruiteater
• Hangnest Tody Tyrant
• Hangzhou
• Hannover
• Hanoi
• Hanover
• Hans in Luck
• Hansa town
• Hanse
• Hanse town
• Hanseatic
• Hanseatic League
• Hanseatic town
• Hansel and Gretel
• Happy Easter!
• Happy New Year!
• Happy Wren
• Happy birthday!
• Harare
• Harbin
• Hares may pull dead lions by the beard. prov.
• Harlequin Antcatcher
• Harlequin Duck