Zeal (Noun) - उत्साह/जोश
Synonyms:Devotion, Spririt, Zest.

Zealous (Adjective) - उत्साही
Synonyms:Devoted, Eager, Passionate, Spirited.

Zenith (Noun) - शीर्ष बिंदु/उच्चतम
Synonyms:Apex, Climax, Top, Vertex, Optimum.

Zest (Noun) - स्वाद/स्वादिष्ट/आनंददायक
Synonyms:Appetite, Charm, Enjoyment, Flavour.