tril Noun, n, tril

1. trill, warble, chirp (of birds)

Appox. usage (any sense): 0.393 per million words

trilui Verb, trilui

1. to trill

Appox. usage (any sense): less than 0.1 per million words

pirui Verb, pirui

1. to trill

Appox. usage (any sense): less than 0.1 per million words