si vision 視力, 洞察力 [Card #14; 字卡第14張: 第3個單字, 字母組合發音 si]
Some more examples（更多例字）：television, division, provision, incision, decision, precision, collision, adhesion, fusion, infusion, profusion, transfusion, confusion, conclusion, delusion, intrusion, Asia, occasion, invasion, persuasion,
aversion, diversion, conversion, explosion