"Smells roses" can be expressed in various ways using synonyms. Some of the synonyms for "smells" include "inhales," "sniffs," "scents," "whiffs," and "detects." On the other hand, for "roses," some possible synonyms include "blossoms," "flowers," "buds," "petals," and "flora." Therefore, alternatives for "smells roses" could include "inhales the fragrant aroma of blooming roses," "detects the sweet scent of rose blossoms," or "sniffs the beautiful aroma of fresh rose petals." The use of synonyms can add variety and enhance the descriptive power of language.