What's the difference between sentaku and sentakumono?

Can't I just say "Ii tenki denaito, sentaku ga kawakimasen"?
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2023-08-15T09:28:28.380
100658
2023-08-15T09:28:28.380
57016
question
grammar
What difference will it make if I just write sentaku in the sentence "Ii tenki denaito, sentaku mono ga kawakimasen"?