under (guidance, supervision, rules, the law, etc.);  under (a flag, the sun, etc.);  beneath;  with (e.g. one blow);  on (the promise, condition, assumption, etc. that ...);  (somebody's) side
 to expose (to the sun, public, danger, etc.);  to bleach;  to refine;  to rinse (vegetables);  to soak;  to doxx