The term "bare resemblance to" usually denotes a weak comparison or similarity between two things. Its antonyms would, therefore, refer to stronger and more substantial resemblances. Some possible antonyms could be "striking similarity," "stark resemblance," or "remarkable likeness." Alternatively, you could also use the phrase "near mirror image," "strong correlation," or simply "identical." These antonyms convey a more significant or noticeable comparison that leaves little doubt about the similarities between the two things being compared. In contrast, "bare resemblance" implies a superficial or minimal similarity that may not be enough to draw conclusions or make meaningful comparisons.