Racecar
Race-car.
A palindrome for the word "tier" is "reit," which is not a recognized English word. However, "tier" itself does not have a direct palindrome since a palindrome reads the same forwards and backwards. The closest approach to finding a palindrome would involve rearranging letters or using a different set of letters entirely.
palindrome
racecar
palindrome. A palindrome is the same forwards and backwards, like the date written 11/11/11.
Velocity
"Radar" is a palindrome for a type of flower.
Racecar
race car
race car
Minim is a palindrome for a type of music note
kayak
race car
A mum is a flower that is also a palindrome.
race car
race car
Own a Toyota, y'not? A palindrome that shows legal ownership of a Toyota vehicle.
Pop is a type of music.