A noun phrase is a group of words that serves the same purpose as a noun. A noun phrase can be the subject or object of a verb. It can also be the object of a preposition.
Example;
1.The students wants to play.
2. Horses prefer living in dark stables.
A Noun-Clause is a group of words which contains a Subject and a Predicate of its own and does the work of a noun.
Examples:
1.Dinesh often wonders how you are getting on with him.
2. He feared that he would fail.
MORE EXAMPLES:
• No one knows when he will come. (Noun-Clauses)
• No one knows the time of his coming. (Noun-Phrases)
• She heard that he had succeeded. (Noun-Clauses)
• She heard of his success. (Noun-Phrases)
• They will never know why he Succeeded. (Noun-Clauses)
• They will never know the reason for his Success.(Noun-Phrases)
• The law will punish whosoever is guilty. (Noun-Clause)
• The law will punish the guilty. (Noun)
• Her friends want to know where she is living.(Noun-Clauses)
• Her friends want to know her residence. (Noun)