请归纳小学英语单词的反义词,近义词和同音词!每类不少于10个

cent—sent four-for ate -eight sun-son hour -our where -wear here -hear sea -see

old-new short-long strong-weak tall-short young-old good-bad fast-slow early-late happy-unhappy small-big busy-freeusually-often big-large much-many giant-huge simple-easy difficult-hard quickly-fast ...