From The Enigma
NPL Magazine
February, 2018
UCAOIMHU (adapted)

The two keywords in this flat differ by a single letter.

On Valentine's Day some couples go
To special spots like restaurants, so
 _ _ _ _ _  can employ
Her powers fully. They enjoy,
In such _ _ _ _ _ _ , how they feel
And the amorous effects of their meal.

Answers:

VENUS
VENUES