An element in several words from the Greek, as analogue, catalogue, decalogue, dialogue, duologue, epilogue, prologue.(noun)
The Century Dictionary (Public Domain)
Use "logue" in a sentence
"UNITED STATES. logue is so arranged that a very cursory examination will show the subjects with which women writers have chiefly dealt."
"He is not an idealogue, or a travelogue, or the artist formerly known as logue, no Cameron thinks pulbic service is good."
"And at the same time, he rarely ever falls into the sci-fi trap of gleefully pointing out all the wicked-looking little gizmos and organisms he’s thought up (with the exception of the dialogue, which is beyond awesome for most of the film, but sometimes overdone)."