站
st=standstandstatusforestallestate
substantiatestit=establishconstituteinstitute
superstitiousstruct=buildconstructinstructsist=standassistexistenceresistance
stanceprestigestationarystamina
unsubstantiated
stumbleapostatestaticsturdywithstand
staggerapostasystem
substanceaerostatics
statureobstaclehomeostasissubstantialaerostat
constitutioninstitutionconstituentrestitutedestituterestitutiondestitutionsubstitute
constructioninstructionconstructiveinstructordestructionobstructdestructiveobstruction
assistantinconsistentirresistibleconsistpersistsubsistconsistencepersistentsubsistence
existresist
追
pet=seek,driveappetitecompetitivepetitionrepeatque=seekconquer
appetizerincompetentpetitionerrepetitionquestion
competeimpetuspetulant
competenceimpetuouspropitiate
competentperpetualpropitious
questionnaireinquisitiverequire
拖
tract=drawabstractdetract
abstractiondistract
attractextract
attractiveprotract
contractretract