Solutions expand the staff has 14 entries with similar clues

• 4-letter words
• grewExpanded
• growExpand
• 5-letter words
• swellExpand
• waistEver-expanding middle
• 6-letter words
• dilateExpand
• bustlePad formerly worn under a woman's skirt to expand it at the rear
• 7-letter words
• swelledExpanded
• enlargeExpand in size
• 8-letter words
• open-outExpand
• researchInvestigation designed to expand knowledge
• 9-letter words
• elaborateExpand on
• diversifyExpand range of activities
• 11-letter words
• contentedlyIn Happy style, take in figure on TV with midriff expanded tenfold
• 19-letter words
• edwin-powell-hubbleThe American astronomer who demonstrated that the universe was uniformly expanding