| FESTERING | • festering v. Present participle of fester. • festering n. The condition of something that festers. • FESTER v. to generate pus. | 
| FOSTERING | • fostering v. Present participle of foster. • fostering n. Raising someone to be an accepted member of the community. • fostering n. Encouragement; aiding the development of something. | 
| GASTERING | • GASTER v. to frighten, scare. | 
| GOSTERING | • GOSTER v. (dialect) to laugh uncontrollably. | 
| LUSTERING | • lustering v. Present participle of luster. • LUSTER v. to make lustrous, also LUSTRE. | 
| MASTERING | • mastering n. Becoming professional in the use of something; having mastery of. • mastering n. The process by which an audio recording is mastered. • mastering v. Present participle of master. | 
| MISTERING | • mistering v. Present participle of mister. • MISTER v. to address as mister. | 
| MUSTERING | • mustering v. Present participle of muster. • mustering n. A bringing together, as of livestock for counting. • MUSTER v. to gather together. | 
| OYSTERING | • oystering v. Present participle of oyster. • OYSTERING n. gathering oysters. | 
| PESTERING | • pestering v. Present participle of pester. • pestering n. An act or instance of annoying somebody. • PESTER v. to bother. | 
| POSTERING | • postering n. The putting up of posters. • POSTER v. to stick bills on. | 
| RASTERING | • rastering n. The rendering of an image using rasters. • RASTER v. to create a raster image. | 
| ROSTERING | • rostering v. Present participle of roster. • rostering n. The process of forming a roster. • ROSTERING n. the act of rostering. | 
| SISTERING | • sistering v. Present participle of sister. • sistering adj. (Obsolete) contiguous. • SISTER v. to treat like a female sibling. | 
| WASTERING | • WASTER v. (Scots) to spend prodigally. | 
| WESTERING | • westering adj. (Especially of heavenly bodies, particularly the sun) Moving westward, near the west. • westering v. Present participle of wester. • WESTERING n. motion towards the west. |