Here are the possible solutions for they may appear on a tree clue
Answer
Clue
Relevancy
kin
Clue
They may appear on a tree
Definition
a group of persons of common ancestry
nieces
Clue
They may appear on a tree
Definition
NIECE, a daughter of one's brother of sister
rockbottom
Clue
With 133, the name of the band whose members appear in the theme answers. (They disbanded in 2012 after raising millions for literacy, but they're reuniting this weekend for one last concert.)
aches
Clue
They may appear in the long run
Definition
ACHE, to endure a dull lasting pain, also AKE
athletes
Clue
They may appear in a bowl
Definition
ATHLETE, a competitor in contests of strength and speed, also ATHLETA
exitsigns
Clue
They may appear before ramps
halos
Clue
They may appear over icons
Definition
HALO, to form a ring of light
rear
Clue
"Objects in the ___ View Mirror May Appear Closer Than They Are" (Meat Loaf)
