"The hubs" can be replaced with several synonyms depending on the context it is used. It is often used to describe a central point or location that serves as a connecting link, such as a transportation hub or a social hub. In such cases, "the nexus", "the center", "the core", "the epicenter" or "the focal point" could be potential synonyms. When used to refer to a significant other or spouse, "the hubs" can be replaced with "the partner", "the husband" or "the wife". Alternatively, "better half", "soulmate" or "life partner" could also be used. Overall, the appropriate synonym to be used would depend on the situation and intended meaning.