bubble / foam, head on carbonated beverages such as beer

causative of 合う (au) / put together / tune music, radio / add up to, amount to / match with / check with, check against / adapt oneself to, join in / blend, mix / combine, fuse, merge

pity

idea; plan; program; programme; proposal; suggestion / draft; rough copy; rough draft

to memorize

stability

guidance / information / notice

to that extent; to that degree

余り: very

stomach