abdicator：弃权人，让位者，辞职者 

词根词缀：ab-分离 + -dic-说 + -ator名词词尾

• fluency
• fluent
• fluff
• flugelhorn
• fluid
• fluidity
• fluke
• flume
• flummery
• flummox
• flunk
• flunkey
• fluor
• fluorescent
• fluoride
• fluorine
• flurry
• flush
• fluster
• flute
• fluted
• flutist
• flutter
• fluvial
• flux