Hafnium
Chemical element, Chemical symbol, Atomic number, Transition metal, Mendeleev's predicted elements, Zirconium, Stable nuclide, Dirk Coster, George de Hevesy. »

Herping
Herpetology, Reptile, Amphibian, Toad, Ethnoherpetology, Herpetoculture Common Garter Snake, Snake, Catch light, Camera, Rainforest, Steve Irwin, Austin Stevens »

Herring
Pacific Ocean, Baltic Sea, Atlantic herring, Pacific herring, Forage fish, Shoaling and schooling, Sardine, Supermarket, Sprattus, Rollmops, Soused herring, ... »

Hooping
Fire dancing, Hula hoop, Native American Hoop Dance, Rhythmic gymnastics, Metal, Wood, Plastic, Subculture, Hip hop, Street dance, Twirling, The arts, Skill toy »

Hostage
Kidnapping, Ultimatum, Aircraft hijacking, Carjacking, Hostage taking act, Iran hostage crisis, Lebanon hostage crisis, Foreign hostages in Afghanistan, Fore... »

Kabylie
Algeria, Tell Atlas, Mediterranean Sea, Provinces of Algeria, Tizi Ouzou, Bouïra, Béjaïa, Jijel, Boumerdès, Sétif, Gouraya National Park, Djurdjura Na... »

Kaddish
Jewish services, Shema Yisrael, Amidah, Bereavement in Judaism, Midrash, Kaddish, Doxology, Aggadah »

Kenosis
Greek language, Emptiness, Theology , Christian theology , Epistle to the Philippians, Jesus, New International Version »

Keratin
Reptile, Bird, Amphibian, Mammal, Biology, Chitin, Acne vulgaris, Keratosis pilaris, Intermediate filament, Desmosome, Tinea versicolor »

Ketchup
Rhyming Slang, Condiment, Tomato, Vinegar, Corn Syrup, Sugar, Salt, Garlic, Allspice, Clove, Cinnamon, Onion, Sauce, Mushroom »