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COMPOUNDS
bàu bạu 
frowning, scowling
bầu bậu to express displeasure; scowling, frowning
cau (1) to frown; (2) areca palm
cau mày to frown, gather one’s eyebrows
cau mặt to frown, wince
chau to frown, knit (one’s brows)
chau mày to frown, knit the brows
mặt bàu bạt frowning face
ngấm ngoảy fret and fume, scowl and frown
nhíu to frown
nhíu nhó frowning
bàu bạu frowning, scowling bầu bậu to express displeasure; scowling, frowning cau (1) to frown; (2) areca palm cau mày to frown, gather one’s eyebrows cau mặt to frown, wince chau to frown, knit (one’s brows) chau mày to frown, knit the brows mặt bàu bạt frowning face ngấm ngoảy fret and fume, scowl and frown nhíu to frown nhíu nhó frowning