band / banned are similar-sounding terms with different meanings (referred to as homophones). To better understand the differences, see below for definitions, pronunciation guides, and example sentences using each term. 👇
band: (noun) instrumentalists not including string players. (noun) a stripe or stripes of contrasting color. (noun) an adornment consisting of a strip of a contrasting color or material. (noun) a range of frequencies between two limits. (noun) a thin flat strip of flexible material that is worn around the body or one of the limbs (especially to decorate the body). (noun) a driving belt in machinery. (noun) a thin flat strip or loop of flexible material that goes around or over something else, typically to hold it together or as a decoration. (noun) a strip of material attached to the leg of a bird to identify it (as in studies of bird migration). (noun) a restraint put around something to hold it together. (verb) bind or tie together, as with a band.
banned: (verb) forbid the public distribution of ( a movie or a newspaper). (verb) prohibit especially by legal means or social pressure. (adjective) forbidden by law.
band: b·AE·n·d
banned: b·AE·n·d
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)