Complex sentence: By contast, the alternations in English do not point to any specific hypothesis, only a general suspicion that word accent must be the explanation, and that the accent in question must have been different from that of modern-day English.
Split into simpler sentences: By contast, the alternations in English do not point to any specific hypothesis. Nothing beyond a general suspicion that word accent must be the explanation, and that the accent in question must have been different from that of modern-day English.