Oxford English Dictionary

Lexie Fraser, Mike Tran, Jasmine Jolly, Georgia Wyman

1.) Orison:

A prayer (noun) 

Origin- Middle English came from old French, oresion, from Latin oratio(n-) 'speech' 

2.) Realm:

Archaic, literary, or law (noun)

Origin-  Middle English rewme, from Old French reaume, from Latin regimen 'government' 

3.) Obsequies:

Funeral rights (noun)

Origin- Late Middle English, plural of obsolete obesquy from Angelo- Norman French obsequite, from Latin plural obsequiae, from Latin 'funeral rights'