infancy

As nouns the difference between infancy and onset

is that infancy is the earliest period of childhood (crawling rather than walking) while onset is a rushing or setting upon; an attack; an assault; a storming; especially, the assault of an army.

As a verb onset is

(obsolete) to assault; to set upon.

As an adjective unfancy

is not fancy; simple.

As a noun infancy is

the earliest period of childhood (crawling rather than walking).

As nouns the difference between infancy and enfancy

is that infancy is the earliest period of childhood (crawling rather than walking) while enfancy is obsolete form of infancy.

As nouns the difference between neonate and infancy

is that neonate is a newborn infant; recently born baby while infancy is the earliest period of childhood (crawling rather than walking).

As nouns the difference between infancy and infanthood

is that infancy is the earliest period of childhood (crawling rather than walking) while infanthood is infancy.

As a noun infancy

is the earliest period of childhood (crawling rather than walking).

As a verb babify is

to encourage another to behave like a baby; to keep another in a state of infancy.

Toddlerhood is a coordinate term of infancy.

As nouns the difference between infancy and toddlerhood

is that infancy is the earliest period of childhood (crawling rather than walking) while toddlerhood is the period of one's life in which one is a toddler.