21.   As he spoke, a single tear trickled down his face.

n. + trickle >>共 222
water 5.04%
ball 4.64%
tear 4.23%
puck 3.83%
money 3.02%
result 2.82%
refugee 2.02%
aid 1.81%
news 1.81%
voter 1.81%
tear + v. >>共 149
be 22.61%
stream 8.30%
flow 7.20%
come 6.56%
roll 4.92%
run 4.01%
well 3.92%
well_up 3.01%
fall 2.64%
begin 2.55%
trickle 1.91%
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