tenace
Concise Oxford English Dictionary © 2008 Oxford University Press:
tenace /ˈtɛnəs/
▶noun (in bridge, whist, etc.) a pair of cards in one hand which rank immediately above and below a card held by an opponent.
– origin C17: from Fr., from Sp. tenaza, lit. ‘pincers’.
'tenace' also found in these Oxford entries:

