标签： 熟词→生词

host → hotel、hostel

way → wade

divide → individual

different → indifferent

dictionary → dictation

contact → tact

contact → tactile

rude → erudite

illusion → delude

illusion → illude、elude

arch → archery

congress → congregate、aggregate

stand → stature

stand → stable

old为什么是“老”？

confident → fiduciary

transplant → transaction

plain → plateau

plane、plain和plate有关系吗？

mosaic