adverb + (adj.)spontaneous entirely, largely, seemingly, totally

(adj.)spontaneous + noun abortion, act, activity, affection, alternation, applause, beta, birth, breathing, burst, celebration, cheer, coefficient, colonization, combustion, composition, conformity, consciousness, conversation, creation, creativity, dance, decay, delivery, demonstration, discharge, emergence, emission, emotion, encounter, enthusiasm, eruption, evolution, exploration, explosion, expression, fission, flexibility, format, gathering, generation, gesture, healing, improvement, improvisation, impulse, inspiration, interaction, invention, joy, laughter, leakage, lesion, magnetization, migration, miscarriage, moment, movement, mutation, nature, nystagmus, occurrence, order, origin, outburst, outpouring, ovation, parade, passion, peritonitis, play, polarization, prayer, pregnancy, protest, quotient, rate, reaction, recovery, regression, remission, resolution, response, revolt, rupture, singing, smile, speech, spelling, symmetry, uprising, urge, writing [See all][See only the most frequent]