1

聚

jù

to assemble; to gather (transitive or intransitive) (chemistry) poly-

=2

维

Wéi

abbr. for Uighur 维吾尔 Wéiwúěr surname Wei

=2

维

wéi

to preserve to maintain to hold together dimension vitamin (abbr. for 维生素 wéishēngsù)

=3

酮

tóng

ketone

=3

酮

dòng

(obsolete on its own in Standard Chinese, of alcohol, vinegar) to spoil; to go bad to spoil; to go bad

=3

酮

chóng

(obsolete on its own in Standard Chinese, of alcohol) to become sour to become sour