கய

In a sentence

• கயன் தனது வேலைகளை முடித்து வீட்டிற்கு சென்றான்.

  Kayan completed his work and went home.

  In this sentence, 'கயன்' is used as a proper noun, indicating a person's name, showing its use in identifying individuals.

• அந்த கயவான மனிதன் மற்றவர்களை ஏமாற்றிவிட்டான்.

  That deceitful man has cheated others.

  Here, 'கய' is used in 'கயவான', an adjective form, meaning deceitful, describing a trait of a person.

• அவன் கய குணத்தை விரும்ப மாட்டேன்.

  I will not like his deceitful nature.

  In this context, 'கய' characterizes a negative trait or nature, pointing to deceitfulness.