同根词有哪些health healthy healthilycare careful carefullydanger dangerousinterest interesting interested除以上同根词之外的其他同根词

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同根词有哪些
health healthy healthily
care careful carefully
danger dangerous
interest interesting interested除以上同根词之外的其他同根词

.同根词的变化规律:
①名词后+ful 构成形容词 care-careful use-useful等  
②形容词后+ly 构成副词 careful-carefully quick-quickly 等  
③名词后+ous 构成形容词 danger-dangerous poison-poisonous 等  
④表天气等的名词后+y 构成形容词 sun-sunny rain-rainy等  
⑤部分t结尾的形容词,变t 为ce 构成名词 different-difference important-importance 等  
⑥部分形容词后+ness 构成名词 happy-happiness busy-business等