AnalyzerSentence analysis3SpansSentence急激に増える1000 character limitAnalyzeSentence急きゅう激げきに増ふえるSpan Details急きゅう激げきsudden; abrupt; rapid; drastic; sharpna-adjectiveにadverbial form after a na-adjectivegrammar増ふえるincrease; multiply; grow in numberichidan verb