Is “Niching” a Scrabble word?
Yes
NICHING
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Niching
verb
1.To place in a niche.
“a niched vase”
2.To specialize in a niche, or particular narrow section of the market.