Bigger and Man-size

Bigger adjective - Large or big relative to something else.

Man-size and bigger are semantically related. In some cases you can use "Man-size" instead an adjective "Bigger".

Man-size adjective - Of, relating to, or marked by qualities traditionally associated with men.

Bigger and man-size are semantically related. Sometimes you can replace term "Bigger" with "Man-size", this terms are similar.