(non-productive) verb-forming suffix attached to nouns (generally for native Japanese words)

boating song

inexperienced / unfamiliar

lack of experience / familiarity

speckled with white / (cooking) blanching

(cooking) to blanch

考え: thought, opinion

図鑑: An illustrated reference book, such as a field guide, bestiary, guide book, or picture book

監視網: surveillance network

寒天: Agar, agar-agar. / 寒点: The sensory cells of the skin that perceive cold. / 官展: An art exhibit hosted by the government. / 寛典: A generous favor; merciful treatment, a merciful sentence.