saku
1.

To open up as flowers do when they reach maturity, signaling the arrival of spring or the growth cycle of plants.

2.

To flourish or exhibit beauty in a vibrant manner, often associated with the fullness of life or vitality.

3.

To emerge or manifest in a striking way, akin to how waves break and create white caps on the surface of the water.

4.

To produce an impressive or memorable impact, often used metaphorically to describe achievements or moments of success.

Example:

これらの花は春に咲く。

かえkaerizaku
1.

To regain a previous status or position after having lost it, often used in contexts such as sports or rankings.

2.

To bloom again within the same year after an initial bloom, often referring to flowers that unexpectedly flower again.

Example:

彼は舞台に返り咲いた。