Based on peals, new words formed by adding one letter at the beginning or end:
cplaces   dlapsed  padles  pedals  pleads   gplages   halephs   iespial  lipase   ksplake   mmaples  sample   npanels  planes   oaslope   rlapser  parles  pearls   tpalest  palets  pastel  petals  plates  pleats  septal  staple  tepals