イ+一+斗 Katakana "I" or The "Ninben" radical - person / ICHI, ITSU, hito(tsu) - one / TO - unit of volume
言+刃+、+U GEN, GON, i(u), koto - say, speech / JIN, ha - blade / Comma / Alphabet "U"
一+日+目 ICHI, ITSU, hito(tsu) - one / NICHI, JITSU, hi, ka - sun, day / 目
女+甘+一 JO, NYO, NYOU, onna, me - female, woman / KAN, ama(i), ama(eru), ama(yakasu) - sweet, indulgent, coax, optimistic / ICHI, ITSU, hito(tsu) - one
人+工+一+定 JIN, NIN, hito - person / KOU, KU - artisan, skill, work / ICHI, ITSU, hito(tsu) - one / TEI, JOU, sada(maru), sada(ka) - decide, definite
Add 小 (SHOU, chii(sai), ko - small) for a big change!
科 KA - department, faculty
認 NIN, mito(meru) - recognise, percieve, approve
帽 BOU - cap, hat, headgear
媒 BAI - go-between, medium
錠 JOU - lock, pill, tablet