Actually, some of these are from Chiense or Vietnamese cuisine...but they're eaten a lot in Cambodia. Pulled these out of the Khmer dictionary. :P
Please excuse my romanization lol...
Samlar Kakor ("stirred soup") - name of a spicy soup composed of many kinds of vegetables
Keav - kind of Chinese soup with meat dumplings, wonton
Kuy Teav - kind of noodle soup with a rich broth and rice noodles (basically the Cambodian version of Pho)
Bantuoh Prahok ("prahok fermenting basket")- kind of spicy soup consisting of salt and preserved fish
Samlar Prahaeu - kind of soup (made with lemon grass, smoked fish, and vegetables such as squash)
Sam Chok - kind of rice soup made with different meats such as fish, ground pork, or shrimp and seasoned with ginger, coriander, and brown garlic
Suy Mai (Si Mai) - item of food made of ground pork or shrimp mixed with onions and garlic (it is rolled in a rice wrapper and steamed; commonly eaten at breakfast)
Mieng Kroch Posat - kind of salad-like food made of oranges with brown shredded coconut meat, shrimp, and pork
Yau Hon - kind of food made of beef, shrimp, and squid cooked in a sauce (containing coconut milk, salt, sugar, vinegar, peanuts, and spices) and eaten with large, flat noodles and vegetables
Noum Banchok Nam Ya - kind of food consisting of noodles and Namya sauce. Namya is a kind of sweet sauce made with coconut milk, fish or shrimp or chicken, and spices (Namya is from Thai, but noum banchok is Cambodian)
Khuo - kind of Cambodian stew; it may be made with corn, crabs, shrimp, or lobsters
Babar Prong - kind of spicy rice soup
Samlar Ma'chu - "sour soups" (generally made with sour spices and fish or beef); there is Samlar Machu Yuon, Samlar Machu Kreuang, Samlar Machu Sandan, and etc. All very different in appearance though.
Samlar Chap Chhaiy - kind of soup made with different vegetables such as Chinese cabbage, chicory, napa, bok choy, kale, collards, garlic, soy sauce, and pork
Samlar Nam Prik ("chile sauce soup") - kind of sour soup made with fish, tamarinds, coconut milk and other seasonings
Marn Sngao ("chicken stew") - chicken soup cooked with rice, lemon grass, citrus leaves, mushrooms, and garnished with mint, spring onions, coriander, salt, fish sauce and lime
Sralawk - kind of soup consisting of a combination of tender young shoots and spices
Chruok Krau Chhnang ("pickled outside of the pot") - kind of soup made of dried fish, eggs, mint, lemon juice and spring onions
Banh is from Vietnamese for "cake" or "pastry" which is equivalent to "noum" in Khmer. And dishes with this name usually consist something made from rice flour such as rice noodles or rice paper.
Banh Hoi - kind of food consisting of thin noodles, lettuce, cucumbers, bean sprouts, mint, and spring onions and usually eaten with spring rolls, lobster, shrimp, or stir-fried meat and a special sauce
Banh Kuong (Banh Cuon?) - kind of egg roll made with fresh lettuce, bean sprouts, cucumbers, mint, noodles, some kind of meat or shrimp and a leaf of Chinese chives
Banh Kanh (Banh Canh) - kind of soup made with flat noodles
Banh Chhaev (Banh Xeo) - kind of pancake made of rice flour stuffed with ground pork / fish / chicken, browned shredded coconut, and bean sprouts (it is eaten with fish sauce, lettuce, cucumber, peanuts, and mint)
Kraniev (Kraniev Kaev) - kind of dessert made with sticky rice, coconut, and sugar mixed together, rolled out on a sheet of cardboard, cooked and cut into pieces
Cha Huoy - special gelatin dessert made of saray (a type of aquatic plant)
Tau Son - kind of dessert; a thick soup made of peeled and cooked mung beans, sugar and water
Trapae - paste of fermented rice (eaten as a dessert)
Thong Muon - kind of sweet dessert made of sticky rice flour and coconut milk and baked in a mold....these are basically wafer rolls (Thai: Tong Muan)
Bampuon Skar - kind of dessert consisting of a piece of sugar wrapped in a layer of sticky rice flour
Lot - kind of dessert consisting of small rice grain-shaped pieces of dough about one inch long. They are dipped in a solution of sugar and coconut cream before eating.
Song Khya Lapov - "pumpkin custard" ...steamed Cambodian pumpkin filled with a sweet coconut and egg-based custard
Treap L'ngo - kind of dessert made with sesame
Noum Kramao Tot - kind of fried dessert made with banana stuffing
Noum Phka Snao - dessert made of Sesbania flowers dipped in flour and sugar and deep fried
Noum Ie (Noum Krarp Slaeng) - kind of dessert of Chinese origin made of sticky rice flour formed into marble-sized pieces and cooked in a sweet thick sauce Chinese
Noum Sandaek Kou - bean cake (kind of dessert made of mung beans, coconut, and sugar)
Yah, I realize that this list is just barely the tip of the iceberg, there is a lot more dishes than that is apart of Cambodian cuisine.