The word "butterflower" doesn't seem to have any synonyms as it is not a widely recognized term. It could perhaps be referring to a type of flower that attracts butterflies or has a yellow color similar to butter. Therefore, some possible synonyms could be "butterfly-attracting flower" or "yellow-flowered plant." Alternatively, if "butterflower" is actually meant to be "buttercup," then synonyms could include "crowfoot," "goldcup," or "kingcup." It is important to use specific and recognizable terminology to accurately convey information, especially in scientific or technical writing.