Sentimental Stuff can be described as a combination of GOO (3 letters), MUSH (4 letters), and TREACLE (7 letters). GOO is a slang term for something that is very sweet or sentimental. MUSH is an informal term for sentimentality or sentimentally expressed emotion. TREACLE is a British term for something that is overly sentimental or cloyingly sweet. Together, these three words describe something that is overly sentimental or cloyingly sweet.