100
A three legged stand.
What is tripod
100
Make into a group.
What is unify
100
A one railed train.
What is monorail
200
A group of three
What is triad
200
Happening every 2 years
What is biennial
200
The boss of the house
What is monopoly
300
A series of three
What is Trilogy
300
The bomb was...
What is universal
300
A pitch or tone.
What is monotonous
400
Jens glasses
What is bifocal
400
A awesome animal.
What is unicorn
400
A long speech.
What is monologue
500
A long race.
What is triathlon
500
A angle divided in 2
What is bisect
500
A one wheeled cycle
What is unicycle
500
A bad sickness.
What is mono