certain
adjective
adjective
determiner
pronoun
detail
noun
certainly
adverb
interjection
maintain
verb
verb
verb
verb
contain
verb
-
contain, containing, contains, contained
verb
-
contain, containing, contains, contained
verb
-
contain, containing, contains, contained
mountain
noun
noun
captain
noun
noun
noun
noun
verb
obtain
verb
verb
retain
verb
verb
verb
verb
tail
noun
noun
noun
detailed
adjective
stair
noun
noun
sustain
verb
verb
verb
noun
verb
container
noun
noun
noun
uncertainty
noun
-
uncertainty, uncertainties
noun
-
uncertainty, uncertainties
noun
-
uncertainty, uncertainties
sustainable
adjective
adjective
curtain
noun
noun
noun
verb
-
curtain, curtaining, curtains, curtained
