核 U+06838 核
Radical: 木
Decomposition: ⿰木亥
Acjk: 核⿰木.4亥6
Definition: seed, kernel, core, nut; atom
技 U+06280 技
Radical: 扌 (手)
Decomposition: ⿰扌支
Acjk: 技⿰扌.3支4
Definition: skill, ability, talent, ingenuity
术 U+0672f 术
Radical: 木
Decomposition: ⿻木丶
Acjk: 术⿻木.4丶1
Definition: art, skill, special feat; method, technique