恣 ⇒
恣意 zìyì, without restraint/unbridled/reckless
恣意妄为 zìyìwàngwéi, [恣意妄為], to behave unscrupulously
恣 zì, to abandon restraint/to do as one pleases/comfortable (dialect)
肆 ⇒
大肆 dàsì, wantonly/without restraint (of enemy or malefactor)/unbridled
肆意 sìyì, wantonly/recklessly/willfully
肆虐 sìnüè, to wreak havoc/to devastate
放肆 fàngsì, wanton/unbridled/presumptuous/impudent
肆无忌惮 sìwújìdàn, [肆無忌憚], absolutely unrestrained/unbridled/without the slightest scruple
肆 sì, four (banker's anti-fraud numeral)/unrestrained/wanton/(literary) shop
肆一