concept ['kɔnsept]
n.
an abstract or general idea inferred or derived from specific instances
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conceive [kən'si:v]
v.
1. have the idea for
He conceived of a robot that would help paralyzed patients This library was well conceived


2. judge or regard; look upon; judge
The racist conceives such people to be inferior


3. become pregnant; undergo conception
She cannot conceive My daughter was conceived in Christmas Day

觉得差不多呢

怎么会，差太多了，要准确的区分两个单词的含义，一定要看英语的解释，不要看中文的，中文容易引起歧义，多看相关的英文例句，就可以体会二者的区别了

一个是概念，有公共认同度，，一个是设想，更具私人意味。

查查，双解词典应当能区分出来的。