Corrugated paper is commonly used for packaging purposes due to its durability and strength. However, there are many other synonyms that can be used in place of "corrugated paper." These include fluted cardboard, wave-like paper, ridged paper, ribbed paper, grooved paper, or pleated paper. Each of these synonyms describes the unique texture of the material, which features a series of small ridges or grooves. Fluted cardboard and wave-like paper are the most commonly used alternatives. These synonyms can add variety to written or spoken communication, and help avoid repetition of the same word.