热络

re4 luo4

intimate; friendly; warm; active; lively (interaction, participation etc)

联络

lian2 luo4

communication; to get in touch with; to contact; connection (math.)

脉络

mai4 luo4

arteries and veins in general; network of blood vessels; fig. the general scheme of things

缠络

chan2 luo4

to wind around; to twist and turn (of road or river)

络

lao4

small net