One option is the word speechless.
The noun (used as plural) is condolences.
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
One of them is earwax.
The word metalworking is one word.
eat, use
The word that works is idiot.
what word can I substitute for constitutes
Elevate
The word is "cram" which means to pack or compress tightly, which is used metaphorically to mean trying to force a large volume of information into your short-term memory.
Traditionalist