Stationary (adjective): Not moving or changing.
Stationery (noun): Writing materials such as paper and envelopes.
Example: “The truck remained stationary during repairs.” / “She bought beautiful stationery for her letters.”

Complement (noun/verb): Something that completes or goes well with something else.
Compliment (noun/verb): An expression of praise or admiration.
Example: “The wine complements the meal perfectly.” / “He received a compliment on his suit.”

Flammable (adjective): Easily set on fire.
Inflammable (adjective): Also means easily set on fire.
Example: “Keep flammable materials away from heat.” / “The warning said the gas is highly inflammable.”

Device (noun): A piece of equipment or a tool.
Devise (verb): To plan or invent something.
Example: “She bought a new electronic device.” / “They devised a strategy to increase sales.”

Formally (adverb): In a formal or official manner.
Formerly (adverb): At an earlier time; previously.
Example: “The contract was formally signed.” / “The building was formerly a library.”

Wave (noun/verb): A movement of water or to move one’s hand.
Waive (verb): To refrain from insisting on or using a right.
Example: “The waves crashed onto the shore.” / “They waived the late fee as a courtesy.”

Bare (adjective): Exposed or uncovered.
Bear (verb): To carry or endure; (noun): a large mammal.
Example: “The walls were bare of decoration.” / “He had to bear the burden alone.”

Affect (verb): To influence something.
Effect (noun): A result or outcome.
Example: “The storm will affect the game schedule.” / “The new law had a positive effect on the economy.”

Breach (noun/verb): A violation or gap.
Breech (noun): The back part of a firearm or a baby’s delivery position.
Example: “The breach in security was alarming.” / “The breech position required a C-section.”

Lead (noun/verb): A type of metal or to guide.
Led (verb): The past tense of lead.
Example: “The pipes are made of lead.” / “She led the team to victory.”