稻:the plant from which rice is harvested. Depending on the amount of water it needs to grow, there are 水稻 and 旱稻。
稻穀(谷):the grains harvested from the plant.
稻殼(売):husk/hull, the outer, inedible part of 稻穀。
糠/米糠:bran
胚芽:germ

糙米:the grain without the husk.
胚芽米:the grain without the husk and bran. It's less nutritious than 糙米。
米/大米/白米:endosperm/white rice, the grain without the husk, bran, and germ. It's less nutritious than 胚芽米。 Birds eat 米, people don't.
糙米飯:飯 obtained from cooking 糙米。
飯/白飯/米飯:米cooked with proper amount of water to yield a product without visible water. One hundred grams of 米 typically yield two hundred grams of 飯。
粥:porridge/congee, 米cooked with more water than above to give a gooey product, usually with visible 飯粒 in it.
稀飯:it could mean 1)粥, or 2) 粥 with even more water.