potato (Solanum tuberosum)
 sweet potato (Ipomoea batatas)
 hornworm (caterpillar of a hawk moth);  (hairless) caterpillar
 taro (Colocasia esculenta);  dasheen;  eddo
 roasted sweet potato;  baked sweet potato
 Japanese yam (Dioscorea japonica)
 taro (Colocasia esculenta);  cocoyam;  dasheen
 uncool;  bad-looking;  unattractive;  unsophisticated;  provincial;  hick
 rough potato (Metaplexis japonica)
 Japanese yam (Dioscorea japonica)
 purple fleshed sweet potato (any one of several different such)
 red-colored jersey (esp. school PE uniform)
 Japanese yam (Dioscorea japonica)
 (bar of) sweet-potato paste
 sweet potato shop;  sweet potato seller
 Chinese yam (Dioscorea batatas)
 sweet potatoes baked in hot stones or pebbles
 sweetened sweet potato fries;  fried strips of sweet potato coated with sugar
 Jerusalem artichoke (Helianthus tuberosus);  topinambur;  girasol;  girasole
 Chinese yam (variety of Dioscorea opposita);  Japanese yam (variety of Dioscorea japonica)
 giant elephant ear (species of taro, Colocasia gigantea)
 jointed woodsorrel (Oxalis articulata)
 hick;  country bumpkin;  yokel
 dried sweet potato;  satsuma sweet potato steamed, sliced and dried
 sweet potato shop;  sweet potato seller
 outdoor party where guests cook various types of vegetables (esp. in Tōhoku); (lit.) stewed potato party
 secondary taro corm;  daughter taro corm;  taro cormel;  taro bud
 to be jostling against each other
 sweet potato (Ipomoea batatas)
 minor taro root;  taro cormlet;  taro cormel
 shrimp-shaped taro variety
 var. of taro with long purple stalks
 dish of potatoes first boiled, then spun around while fried in a bowl (making them look as if covered in powder)
 mother tuber of a taro;  taro corm;  parent taro
 purple yam;  water yam (Dioscorea alata);  purple fleshed sweet potato (any one of several different such);  Conus pauperculus (species of cone shell)
 potato (Solanum tuberosum)
 sweet potato (Ipomoea batatas);  potato (Solanum tuberosum)
 sweet potato (any of a number of different cultivars with red skin)
 taros flavoured with miso and grilled on skewers;  parent-child incest
 being ignorant of the ways of the world;  knowing nothing; (lit.) not being able to tell if a yam is boiled or not
 taccad (any plant of family Taccaceae)
 type of taro originally from Sulawesi, has large tubers with red eyes
 shrimp-shaped taro variety
 lesser yam (Dioscorea esculenta)
 jicama (Pachyrhizus erosus);  yam bean;  Mexican turnip
 type of taro originally from Sulawesi
 tertiary taro corm;  taro cormlet