[とび, tobi](n) (1) (abbr) (See 飛ぶ) flying; leaping; flight; leap; (2) (when reading a number aloud) naught; zero; oh; (3) (See 飛魚) flying fish (esp. the Japanese flying fish, Cypselurus agoo)#9252[Add to Longdo]
[ひやく, hiyaku](n, vs) (1) leaping; activity; (2) leapfrog (over a problem); making a leap (e.g. in logic); (3) making great strides; making rapid progress; (4) emerging; (5) becoming active; playing an active part; (P)#12834[Add to Longdo]