=1

双

shuāng

variant of 双 shuāng

=1

双

Shuāng

surname Shuang

=1

双

shuāng

two double pair both even (number)

=2

炔

Guì

surname Gui

=2

炔

quē

alkyne also pr. jué

=3

失

shī

to lose to miss to fail

=3

失

yì

alternative form of 佚 (“to ignore; indulgent”) alternative form of 逸 (yì, “to flee; to run away”)

4

碳

tàn

carbon (chemistry)

5

酯

zhǐ

ester