Learn 9 common Sino-Korean words with -적, -성, -화 and -률/-율 from news and meetings.
Use words ending in -적, -성, -화 and -률 in short sentences, use -적인 before a noun and -적으로 before a verb, and choose -률 or -율 (-율 after a vowel or ㄴ, -률 after other consonants).
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