chip in
• contribute something as one's share of a joint activity, cost, etc.
• "Rollie chipped in with nine saves and five wins"
Similar:
contribute,
donate,
give,
make a contribution/donation,
hand over,
pay,
club together,
fork out,
shell out,
lay out,
come across with,
cough up,
stump up,
have a whip-round,
kick in,
pony up,
• join or interrupt a conversation by making a remark.
• "‘He's right,’ Gloria chipped in"