chuckle

As a noun chuckle is

a quiet laugh.

As a verb chuckle is

to laugh quietly or inwardly.

As nouns the difference between smile and chuckle

is that smile is a facial expression comprised by flexing the muscles of both ends of one's mouth, often showing the front teeth, without vocalisation, and in humans is a common involuntary or voluntary expression of happiness, pleasure, amusement or anxiety while chuckle is a quiet laugh.

As verbs the difference between smile and chuckle

is that smile is to have (a smile) on one's face while chuckle is to laugh quietly or inwardly.

As nouns the difference between chuckle and huckle

is that chuckle is a quiet laugh while huckle is the hip, the haunch.

As a verb chuckle

is to laugh quietly or inwardly.

As nouns the difference between taxonomy and chuckle

is that taxonomy is the science or the technique used to make a classification while chuckle is a quiet laugh.

As a verb chuckle is

to laugh quietly or inwardly.

As nouns the difference between chuckle and sneaker

is that chuckle is a quiet laugh while sneaker is one who sneaks.

As a verb chuckle

is to laugh quietly or inwardly.