ADJ

sacred, solemn
Hippocratic
a doctor's Hippocratic oath

VERB + OATH

swear, take
He took an oath of allegiance to his adopted country
break, violate

PREP

~ of
an oath of allegiance/loyalty

VERB + OATH

administer
Only a judge is allowed to administer the oath

PREP

on ~
He swore on oath that he had never seen me before
under ~
Witnesses must testify under oath

ADJ

obscene

QUANT

stream, string
He muttered a stream of oaths

VERB + OATH

mutter, utter