We made some lovely [варенье] from last year's strawberries.

jam

Info: "Jelly" would have no fruit in it, for example grape jelly.

Mellanie batted her [веки] at her boyfriend, who pretended not to notice.

eyelids eyelid

Info: The singular is only used with “an”, not the possessive pronoun.

We wanted to visit the old [монастырь] .

abbey monastery cloister nunnery

Info: "Abbey" is most common, followed by "monastery".