Another word for uninfected or disinfected could be unafflicted or aseptic.
The word could be healthy for being free from infection.
An adjective meaning free from error could be flawless or perfect.
There is no one-word substitute in English for "son-in-law."
The word you want is florist.
Sportsmanship is a word substitute for spirit of game
The word metalworking is one word.
eat, use
The word that works is idiot.
what word can I substitute for constitutes
Elevate
Traditionalist