Chinese words with 系 character meaning (HSK)

MEI2, GUAN1, XI5
it doesn't matter

GUAN1, XI4
relationship (network), relation, to concern, to affect, to have to do with, guanxi

LIAN2, XI4
connection, contact, relation, in touch with, to integrate, to link, to touch

JI4, LING3, DAI4
tie one's necktie

XI4
relation, to connect, to relate to, to tie up, to bind, department

XI4, TONG3
system

TI3, XI4
system, setup

XI4, LIE4
series