Solutions Retain has 15 entries with similar clues

• 3-letter words
• feeretainer
• 4-letter words
• keptRetained
• 5-letter words
• keepsretains
• mulchIt is laid around plants to retain moisture and keep down weeds
• tacitunspoken agreement a citizen retains
• 6-letter words
• vassalMedieval retainer
• 7-letter words
• witnessbehold drinks retaining temperature with sun
• inertiaTendency to retain same speed and direction
• coarsenDull Conservative retains seat
• 8-letter words
• unspoiltRetaining its original character
• reservedRetained
• emeritusRetired but retaining the title of one's office
• 9-letter words
• reservingSaving or retaining
• evergreenRetaining green leaves throughout the year
• revetmentRetaining wall