木+ノ+ツ MOKU, BOKU, ki - tree / Katakana "No" or The "No" radical - diagonal sweeping stroke / Katakana "Tsu" or The "Tsu" radical - Katakana Tsu
火+く KA, hi - fire / Hiragana "Ku"
土+一+日 DO, tsuchi - earth, soil / ICHI, ITSU, hito(tsu) - one / NICHI, JITSU, hi, ka - sun, day
口+心+| KOU, kuchi - mouth / SHIN, kokoro - heart / The "Tatebou" radical - vertical stroke
日+木+⼚ NICHI, JITSU, hi, ka - sun, day / MOKU, BOKU, ki - tree / The "Gandare" radical - cliff
They all make another character if the same radical is used more than once.
彩 SAI, irodo(ru) - colour
災 SAI, wazawa(i) - misfortune, disaster
垣 kaki - fence, hedge
患 KAN, wazura(u) - be ill, suffer from
暦 REKI, koyomi - history