subside

v. （建筑物等）下陷，（天气等）平息，平静

subordinate, subordination, suborn, subornation, subpoena, subroutine, subscribe, subscriber, subscriber trunk, subscript, subscription, subscription concert, subsection, subsequence, subsequent, subsequent to, subsequently, subservience, subservient, subserviently, subsidence, subsidiary, subsidization, subsidization, subsidisation, subsidize, subsidize, subsidise, subsidy, subsist, subsistence, subsistence crop, subsistence level, subsoil, subsonic, substance, substandard, substantial, substantially, substantiate, substantiation, substantive,