The word "bifurcate" can have controversial connotations and should never be used in ordinary speech or writing. The only people who might use this word are scientists.
In what way, please, do you find this word titillating?
Are these controversial connotations sexual in nature? I don't see them, myself Are they because of the meaning of the word, or because of the sound of the word? On both counts, I think one could argue that the word