What is the name for a word that reads the same backwards?

A palindrome is a word, number, phrase, or other sequence of symbols that reads the same backwards as forwards, such as madam or racecar, the date "22/02/2022", or the sentence "A man, a plan, a canal – Panama". The 19-letter Finnish word saippuakivikauppias is the longest single-word palindrome in everyday use, while the 12-letter term tattarrattat is the longest in English.