What's the difference between carthusian and chartreuse?

Carthusian

Definition:

(n.) A member of an exceeding austere religious order, founded at Chartreuse in France by St. Bruno, in the year 1086.
(a.) Pertaining to the Carthusian.

Example Sentences:

(1) 7.13pm BST The starting XIs England: Hart (Oxford University), Walker (Barnes), Cahill (Harrow Chequers), Jagielka (Cambridge University), Baines (1st Surrey Rifles), Wilshere (Old Harrovians), Gerrard (Wanderers), Walcott (Swifts), Cleverley (Old Carthusians), Welbeck (Royal Engineers), Rooney (Old Etonians).
(2) But he also said that "in every Benedictine there should be a disappointed Carthusian".
(3) But we remained as detached from the rest of society as Carthusian monks .
(4) He says he didn't read it closely, but closely enough to notice it said he was at school at Charterhouse – a factoid added to his Wikipedia entry by an over-enthusiastic Old Carthusian.
(5) Into Great Silence, a three-hour documentary about Carthusian monks, became a minor hit when Soda Pictures sent postcards to the Catholic Communications Network and placed ads in the Tablet, Catholic Herald and the Bridge.
(6) For 30-year-old care worker Lorna Sankey, a 14th-century charterhouse (a Carthusian monastery) near Coventry has been home for the last year.

Definition:

(n.) A Carthusian monastery; esp. La Grande Chartreuse, mother house of the order, in the mountains near Grenoble, France.
(n.) An alcoholic cordial, distilled from aromatic herbs; -- made at La Grande Chartreuse.

Example Sentences:

(1) The locality, which is situated at the foot of the Chartreuse massif, receives its water solely from springs but there is a holiday camp for the staff of an international airline situated above the main water catchment.
(2) Another fantastic place is the Vintage Cocktail Club (15 Crown Alley) where High Tea means a concoction involving marmalade vodka and green chartreuse.