cellphone

As nouns the difference between cellphone and book

is that cellphone is while book is book.

As nouns the difference between cellphone and landline

is that cellphone is while landline is a fixed telephone communications cable.

As nouns the difference between pencil and cellphone

is that pencil is (obsolete) a paintbrush while cellphone is .

As a verb pencil

is to write something using a pencil.

As a noun cellphone

is .

As a proper noun android is

a mobile operating system (os) based on the linux kernel and currently developed by google.

As nouns the difference between cellphone and water

is that cellphone is alternative form of lang=en while water is a chemical, found at room temperature and pressure as a clear liquid, having the formula H₂O, required by all forms of life on Earth.

As a verb water is

to pour water into the soil surrounding (plants).