English of root for May 30th - 详解

pulse impulse impulsive
compel compelling compulsory
expel expelsion
propel propeller propulsion
repel repulsion
appeal appealing

spend spending
expend expenditure expense expensive
depend dependable dependence dependent independence independent
suspendsuspense suspension
append appendix
pendulum
pendding
pension
compensate
dispense
ponder+
poise+

peril perilous
experiment experimental
experience experienced
expert expertise
repertoire+
pirate+
empirical

compete competition competitor competitive competence+ competent
appetite appetizer
repeatrepeatedly repetition repetitive
petition+ petitioner
impetus+
perpetuate perpetual

phone telephone videophone mobile-phone cell-phone
symphony
phonetics phonics