The term 'approached stealthily' can be expressed in three different ways: crept (5 letters), creptup (7 letters), and STALKED (7 letters). Crept is a verb meaning to move slowly and carefully, often in a stealthy manner. Creptup is a verb meaning to move slowly and carefully, often in a stealthy manner, while also climbing or ascending. STALKED is a verb meaning to follow or observe someone or something in a stealthy manner. All three words describe the same action of approaching something in a secretive and careful way.