"clause" - key terms from Wikipedia

adverbial clause
arbitration clause
citizenship clause
clause
clause iv
clause of the first amendment
clause of the fourteenth amendment
commerce clause
confrontation clause
contract clause
cooper temple clause
definite clause
delaney clause
dependent clause
dormant commerce clause
due process clause
embedded clause
equal protection clause
escape clause
establishment clause
exclusion clause
filioque clause
forum selection clause
free exercise clause
full faith and credit clause
general welfare clause
goal clause
gold clause
grandfather clause
horn clause
immunities clause
independent clause
ineligibility clause
main clause
necessary and proper clause
notwithstanding clause
presentment clause
privileges and immunities clause
privileges or immunities clause
relative clause
reserve clause
santa clause
speech or debate clause
subordinate clause
sunset clause
supremacy clause
takings clause
taxing and spending clause
territorial clause
under the commerce clause