Synset

something a little different from others of the same type
<noun.cognition>   freq. cnt.: 8 freq. cnt.: 7 freq. cnt.: 1

edition

variant

variation

version

sample sentences

"an experimental version of the night fighter"
"a variant of the same word"
"an emery wheel is the modern variation of a grindstone"
"the boy is a younger edition of his father"