I think the word 'wither' is what you seek.
rot
decay
Rot is not a root word. You may have confused it for rog which means to ask.
Rot, e.g. Dry rot has set in to the timber framework of the roof...... or, the tree is dead and has gone has rotten.
To basically fall apart. It also means to rot or desinegrate and ya
Decay is a word for dead things/rot.
Yes, rot is a proper word.The word rot is a verb (rot, rots, rotting, rotted):Paper money will rot if you bury it in the ground without moisture protection.The word rot is a noun (uncountable, mass noun):The potatoes show some rot so we should throw them out.Some compound nouns for the noun rot: root rot, dry rot, brown rot, black rot, boll rot, etc.The noun 'rot' is sometimes used as slang for 'nonsense'.
The Greek word for "rot" is "σάπιο" (sápio) when used as an adjective to describe something that is rotten. In a more general sense, the verb "σαπίζω" (sapízo) means "to rot" or "to decay." These terms are commonly used in both ancient and modern Greek to refer to the process of decomposition.
When people die, they rot in the coffin or the soil and, well they just die and rot.
A five letter word for grain rot could be ergot.
The French word "marotte" is pronounced as "mah-rot."
Yes, rot is a synonym for nonsense.