Piquancy, poignancy.

figurative. The quality (in speech, manner, style, etc.) of being stimulating, exciting, or charming; poignancy; bite.

= poignancy, n. (in various senses); (formerly) †sharpness, pungency (obsolete); (more recently) keenness of feeling, or the ability to evoke…

Piercing quality of words, expressions, language, etc.; sharpness or keenness; pointedness, piquancy. Now rare except as merging with sense 3.

figurative. A characteristic style or manner of speech, writing, etc.; liveliness, piquancy. Cf. raciness, n. 2a, racy, adj.1 3c. Obsolete.

With reference to speech, writing, manner, etc.: vigour, liveliness, robustness; lack of inhibition, suggestive or slightly indecent content or…

The quality of being spicy (esp. in figurative senses).