Gourmet is to gourmand as

'Gourmet' as an adjective means good food. 'Gourmand' means someone who is fond of eating and eats too much.

Similarly, an ‘election’ is ‘the process of electing or the selection of a person or persons for office by vote’. An ‘elector’ is ‘the person who elects; a qualified voter’.

Foliage: Plant leaves collectively

Ecclesiastic: priest, clergyman

Epitaph: Obituary, elegy, a phrase written in memory of a person who has died, inscription on a tombstone.

Epilogue: Postscript, afterwords, speech at the end of a book

Hence, option C is the correct answer.