3 examples- DEMOGRAPHY, GRAPHITE, AUTOGRAPH

Definition-
a diagram showing the relation between variable quantities, typically of two variables, each measured along one of a pair of axes at right angles.

3 examples- PHOTOGENIC, PHOTON, PHOTOGRAPHY

Definition-
the art or practice of taking and processing photographs.

3 examples- TELEPHONE, TELESCOPE, TELEPATHY

Definition-
1.
a system that converts acoustic vibrations to electrical signals in order to transmit sound, typically voices, over a distance using wire or radio.
2.
a game in which a sentence or phrase becomes distorted by being passed along to the next person in a whisper.

3 examples- BAROMETER, DIAMETER, GEOMETRY

Definition- ascertain the size, amount, or degree of (something) by using an instrument or device marked in standard units or by comparing it with an object of known size.

3 examples- HYDRANT, HYDRANGEA, HYDROGEN

Definition- a colorless, transparent, odorless, tasteless liquid that forms the seas, lakes, rivers, and rain and is the basis of the fluids of living organisms.

3 examples- PHILANDERER, PHILTER, PHILATELIST

Definition-
a person who collects or has a great love of books.

3 examples- ACROPHOBIA, HYDROPHOBIA, XENOPHOBIA

Definition-
extreme or irrational fear of confined places.

3 examples- SYNTHETIC, SYNCHRONIZE, SYNDICATE

Definition- with or in proximity to another person or people.