penetrate

As an adjective breakthrough

is characterized by major progress or overcoming some obstacle.

As a noun breakthrough

is an advance through and past enemy lines.

As a verb penetrate is

to enter into; to make way into the interior of; to pierce.

As a verb penetrate

is to enter into; to make way into the interior of; to pierce.

As a noun penetratee is

the partner who is penetrated in sexual intercourse.

As a noun taxonomy

is the science or the technique used to make a classification.

As a verb penetrate is

to enter into; to make way into the interior of; to pierce.

As a verb penetrate

is to enter into; to make way into the interior of; to pierce.

As a noun enter is

the "enter" key on a computer keyboard.

As a letter a

is the letter a with a tilde.

As a verb penetrate is

to enter into; to make way into the interior of; to pierce.

As a verb penetrate is

to enter into; to make way into the interior of; to pierce.

As verbs the difference between penetrate and puncture

is that penetrate is to enter into; to make way into the interior of; to pierce while puncture is to pierce; to break through; to tear a hole.

As a noun puncture is

the act or an instance of puncturing.

As verbs the difference between penetrate and infilter

is that penetrate is to enter into; to make way into the interior of; to pierce while infilter is to filter or sift in.