ぼそぼそ • (bosoboso) -na (adnominal ぼそぼそな (bosoboso na na), adverbial ぼそぼそに (bosoboso ni ni))
ぼそぼそ • (bosoboso)
ぼそぼそする • (bosoboso suru) suru (stem ぼそぼそし (bosobososuru shi), past ぼそぼそした (bosobososuru shita))