It comes from the rootword "build"
The root word of admonitory is "admonish."
application comes from the root word
The root word of "merriment" is "merry."
The root word for "legalization" is "legalize," which means to make something legal or permissible according to the law.
The rootword is vis- see
The rootword "scrut" means to examine or investigate closely. It is derived from the Latin word "scrutari" which means to search or examine thoroughly.
There is no one rootword. The word "checkmate" is from the 1300s and comes from the Arabic "Shah Mat" meaning the king is dead. Mat meaning dead. The word "stalemate" is from the late 1700s and takes the French word "estale" meaning standstill.
I'll be happy to equip you with an example.
The root word for velocity is veloc. Meaning...I do believe..speed.
The root word for inhabitant is inhabit. Inhabit mean to live in.
The root word for employement is employ