(literary) sharpness / (literary) quickness; sharpness

(literary) sharp / (literary) quick; sharp

brains (intellect)

solution, settlement / (music) Progression from dissonance to consonance; a chord to which such progression is made; resolution

(transitive) solve, resolve, settle (a problem, a trouble, a criminal case) / (intransitive) be solved, be settled / (intransitive) can be solved; be soluble

直ぐに: immediately

直ぐ: immediately, right away, soon / 直ぐ: quick to / 直ぐ: right next to, right close by

straight, not bent

(obsolete) 過ぐ: classical form of modern 過ぎる (sugiru, “to go through, to go past; to exceed”)

(obsolete) 挿ぐ: classical form of modern 挿げる (sugeru, “to connect or affix one thing to another, especially by passing something through something else”)