rudimentary

As an adjective rudimentary

is of or relating to one or more rudiments.

As an adverb fundamentally is

to the very core of the matter.

As adjectives the difference between precocious and rudimentary

is that precocious is characterized by exceptionally early development or maturity while rudimentary is of or relating to one or more rudiments.

As an adjective rudimentary

is of or relating to one or more rudiments.

As a noun old is

age.

As adjectives the difference between rudimentary and underdeveloped

is that rudimentary is of or relating to one or more rudiments while underdeveloped is immature and not fully developed.

As a verb underdeveloped is

past tense of underdevelop.

As adjectives the difference between rudimentary and pristine

is that rudimentary is of or relating to one or more rudiments while pristine is unspoiled; still with its original purity; uncorrupted or unsullied or pristine can be relating to sawfishes of the family pristidae.

As an adjective rudimentary

is of or relating to one or more rudiments.

As a noun infrastructure is

an underlying base or foundation especially for an organization or system.

As adjectives the difference between logical and rudimentary

is that logical is (not comparable) in agreement with the principles of logic while rudimentary is of or relating to one or more rudiments.

As adjectives the difference between rudimentary and unpractical

is that rudimentary is of or relating to one or more rudiments while unpractical is not practical, impractical.

As adjectives the difference between rudimentary and radical

is that rudimentary is of or relating to one or more rudiments while radical is favoring fundamental change, or change at the root cause of a matter.

As a noun radical is

a member of the most progressive wing of the liberal party; someone favouring social reform (but generally stopping short of socialism).

As an adjective rudimentary

is of or relating to one or more rudiments.

As a noun difference is

difference.