xie3

to write (verb)

xie4

to thank (verb)

xie4

to thank (verb)

xin1

heart; center (noun)

xin1

new (adjective)

xin4

letter (correspondence) (noun)

xing1

star (noun)

xing2

all right; O.K.

xing4

excitement (noun)

xing4

(one’s) surname is…; to be surnamed; surname (verb/noun)