✔ 最佳答案
popular (adjective) / popularity (noun) / popularize (verb) / popularly (adverb)
specialize (verb) / specialization (noun) / specialized (adjective) / specially (adverb)
realize (verb) / realization (noun) / realizable (adjective) / X (adverb)
important (adjective) / importance (noun) / importantly (adverb) / X (adverb)
accurate (adjective) / accuracy (noun) / accurately (adverb) X (verb)
attention (noun) / attend (verb) / attentive (adjective) / attentively (adverb)
demonstrating (gerund) / demonstrate (verb) / demonstration (noun) / demonstrably (adverb) / demonstrative (adjective)