"prototype" seems to fit.
The root word of "experimental" is "experiment," which comes from the Latin word "experimentum," meaning a test or trial.
experimental
False is a five letter word meaning fake.
A four letter word meaning not kosher is: tref
Flush is a five letter word meaning wealthy.
A five letter word meaning peace is quiet or amity.
A six letter word that has the same meaning of 'rue' is regret.
Tardy is a five letter word meaning late.
What is a nine letter word meaning very tidy
a six letter word meaning not attractive: SO UGLY!
The word pine can have that meaning.
Regardless of the word, the meaning would be wealthy.