scholar——scholarship -sion,-ssion decide——decision expand——expansion -th
grow——growth wide——width -ure
close——closure expose——exposure 2、动词前缀 -en
deep——deepen fast——fasten -ify
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class——classify simple——simplify -ize,-ise
modern——modernize/modernize popular——popularize/popularize
3、形容词后缀 -able,-ible suit——suitable question——questionable nature——natural structure——structural -an,-arian,-ian suburb——suburban Canada——Canadian -ant,-ent
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differ——different please——pleasant -ary,-ory advise——advisory custom——customary -ate
consider——considerate fortune——fortunate -en
gold——golden wood——wooden -ese
China——Chinese Japan——Japanese -free
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care——carefree duty——duty-free -ful
care——careful pain——painful -ic,-ical atom——atomic
psychology——psychological -ish
girl——girlish child——childish -ive
create——creative support——supportive -less
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