I.
noun
Snarl is used after these nouns: ↑ traffic
II.
verb
ADVERB
▪ angrily , savagely , viciously
▪
He ~ed savagely at her.
▪ almost
PREPOSITION
▪ at
▪
A guard dog ~ed at us as we walked by.
Snarl is used with these nouns as the subject: ↑ dog
Snarl is used with these nouns as the object: ↑ traffic