Their / There / They're
"Their" refers to possession (e.g., It's their home).
"There" refers to a location (e.g., The lock is over there).
"They're" is a contraction of "they are" (e.g., they’re going to the shop).
Two / Too / To
"Two" is the number 2 (e.g., I have two cars).
"Too" means also or in excess (e.g., He wants to dance too).
"To" is a preposition referring direction, time, or purpose (e.g., I'm going to the school).
Flower / Flour
"Flower" is a type of plant that produces blooms.
"Flour" is a powdery substance used in baking.
Son / Sun
"Son" refers to male child.
"Sun" is the star that gives out light and heat to the solar system.
Meat / Meet
"Meat" is an animal flesh used as food.
"Meet" means to come into contact or to gather (e.g., let’s meet at the Bar).
Bear / Bare
"Bear" is a mammal/animal.
"Bare" means uncovered.
Buy / Bye / By
"Buy" is to purchase something.
"Bye" is a short form of "goodbye."
"By" indicates location or authorship (e.g., by the School, written by the author).
Right / Write / Rite
"Right" means correct or a direction.
"Write" is to form words on paper.
"Rite" refers to a religious or ceremonial act.
Pear / Pair
"Pear" is a type of fruit.
"Pair" refers to two of something (e.g., a pair of boots).
Flare / Flair
"Flare" is a sudden burst of light.
"Flair" means a special or unique talent.