词根词缀：dodeca-, dodec-

【来源及含义】Greek: twelve

【同源单词】dodecadactylitis, dodecadactylon, dodecagon, dodecahedral, dodecahedron, dodecaphony

词根词缀：gon-, gonio-, -gon, -gonal, -gonally, -gony

【来源及含义】Greek: corner, bend, angle

【同源单词】agonic, decagon, diagon, diagonal, dodecagon, enneagon