gia quân 
(my) father [ gia ] : domicile, habitation, abode; to increase, add
[ quân ] : troops, army
Most Common Compounds Set 1:
Most Common Compounds Set 2 :
tham gia quân đội to take part, play a role in the military gia quân (my) father tham gia quân đội to take part, play a role in the military