The term "feel bones" can be replaced by a number of synonyms in order to express a similar meaning. Some of these synonyms include "detect bones," "sense bones," "perceive bones," "notice bones," and "discern bones." Each of these phrases conveys the idea of identifying the presence or structure of bones within the body. However, depending on the context of the sentence, one synonym may be more appropriate than another. For instance, "sense bones" might be a better choice in a context that emphasizes the use of touch, while "perceive bones" may be more suitable when describing a sense of intuition or awareness.