gong1

achievement; merit (noun)

gong1

job (noun)

gong4

common; general (adjective)

gou3

dog (noun)

gou4

enough (adjective)

gou4

enough (adjective)

gu3

ancient, old (adjective)

gu4

to look after (verb)

gu4

to look after (verb)

gua1

melon (noun)