Sealing material is a type of material used to fill gaps and seal surfaces. CAULK, with five letters, is a type of sealant used to fill gaps or cracks in surfaces. PUTTY, also with five letters, is a soft material used to fill holes and cracks in surfaces. TAPE, with four letters, is a type of adhesive material used to stick two surfaces together. ScotchTape, with ten letters, is a brand of pressure-sensitive TAPE used for sealing and sticking surfaces together.