Strong’s Greek
G4852 — sumphemi
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
σύμφημι
sumphemi — pronounced soom'-fay-mee
from 4862 and 5346; to say jointly, i.e. assent to:--consent unto. see GREEK for 4862 see GREEK for 5346
1 occurrence in the KJV.
Romans 7:16
If then I do that which I would not, I consent unto the law that it is good.