to fall from the sky, to precipitate / (passive) to be hit by or caught in something falling head on.

rain, rainfall / a rainy weather / (figuratively) something falling like rain

to descend / to fall / to precipitate / to surrender

a relationship is stronger after conflict

rain

rain / (figuratively) something falling like rain / (figuratively) favor, blessing

(genetics) mutation

the first sight of something / something seen for the first time

one should start a big project with immediate, practical steps; start small / the person who proposes something should be the first one to take practical steps to implement it

demotion