"Knocking apart" can be replaced by a variety of synonyms depending on the context. Some examples include "breaking up," "dismantling," "disassembling," "deconstructing," "separating," "demolishing," "destroying," "disintegrating," "tearing down," "scattering," and "fragmenting." Each of these words conveys a sense of something being taken apart or separated into its individual pieces or parts. This can apply to physical objects such as buildings or machinery, as well as abstract ideas or relationships that are unraveling or falling apart. By using synonyms for "knocking apart," writers can add variety to their language and convey a more specific meaning.