威張り散らす[ibarichirasu] to domineer
胃散[isan] stomach medicine
逸散に[issanni] at top speed
一目散[ichimokusan] at full speed
一目散に[ichimokusanni] at full speed

雲散霧消[unsanmushou] vanishing like mist
解散[kaisan] breakup
拡散[kakusan] scattering
閑散[kansan] deserted (esp. store, market, town, streets)
言散らす[iichirasu] to spread (a report)

漫ろ歩き[sozoroaruki] slow, relaxed walk
ひとり歩き[hitoriaruki] walking alone
一歩[ippo] (a) step
一歩一歩[ippoippo] step by step
一歩前進[ippozenshin] (a) step forward

横断歩道[oudanhodou] pedestrian crossing
牛歩戦術[gyuuhosenjutsu] snail's pace tactics
巨歩[kyoho] long strides
競歩[kyouho] walking race
健歩[kenpo] good walker