Duo
A performance or activity in which two people or two parts work together, often requiring balance and cooperation.
DUET
Causing doubt or uncertainty because something seems questionable or hard to believe.
DUBIOUS
A vehicle with three wheels, designed for balance and stability.
TRICYCLE
A stand or support with three legs, used to keep something steady.
TRIPOD
Water birds with webbed feet and waterproof feathers, also known for their ability to swim and dive.
DUCKS
A formal or serious conflict between two opponents, often following agreed-upon rules.
DUEL
A group or set of three people or things working or appearing together.
TRIO
An event or action that occurs once every three years.
TRIENNIAL
A structure or system designed in two connected sections, such as a building divided into two homes.
DUPLEX
Having two connected parts or purposes that exist at the same time.
DUAL
To cut away excess parts in order to improve shape, neatness, or efficiency.
TRIM
An extinct sea animal with a hard, three-lobed shell, often found as a fossil.
TRILOBITE
An exact copy of something, or the act of making one.
DUPLICATE
Lacking sharpness, brightness, or excitement, or slow to cause interest or understanding.
DULL
People or characters who use cleverness, jokes, or deception to surprise or outsmart others.
TRICKSTERS
Difficult experiences or tests that challenge a person’s strength, patience, or skills.
TRIALS
Money, effort, or obligations that a person owes because of membership, responsibility, or fairness.
DUES
The process of adding or replacing sound, especially voices, in a film or recording.
DUB or DUBBING
Something small or unimportant, or a dessert made of layered cake and cream.
TRIFLE
Having three identical copies, or the act of making them.