unanimous
"panacea"
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
Not sure if this is the word you seek, but another word for "last name" is surname.
The word metalworking is one word.
eat, use
The word that works is idiot.
what word can I substitute for constitutes
Elevate
Traditionalist
Deaf