Mono root words

monocle

An eyeglass for one eye

monochrome

having one color; a painting, design, photo, or outfit that is only one color or shades of one color

monologue

long speech by one person

monophobia

an abnormal fear of being the only one there; fear of being alone

monopoly

control of a product or service by one company

monolith

something made out of one single large block or piece of stone; one single stone monument

monolingual

speaking or writing only one language

monosyllabic

Having only one syllable.

monorail

a track for subway or train cars that only has one rail

monotone

a speech in which every word has one tone of voice