The term 'creep through the cracks' is an idiom that means to go unnoticed or to pass by without being noticed. The crossword solutions for this term are 'OOZE' (4 letters), 'SEEP' (4 letters), 'SEEPS' (5 letters), 'TIPTOE' (6 letters), 'oozing' (6 letters), and 'SEEPED' (6 letters). All of these words are related to the idea of something slowly and quietly passing by without being noticed, which is what the phrase 'creep through the cracks' implies.