Words that rhyme with ohern

What do these rhymes mean?

adjourn

close at the end of a session; "The court adjourned" break from a meeting or gathering; "We adjourned for lunch

concern

something that interests you because it is important or affects you

discern

detect with the senses; "The fleeing convicts were picked out of the darkness by the watchful prison guards

return

document giving the tax collector information about the taxpayer's tax liability

sauterne

semisweet golden-colored table or dessert wine from around Bordeaux in France; similar wine from California