support

In archaic|lang=en terms the difference between support and ancillary

is that support is (archaic) to endure without being overcome; bear; undergo; to tolerate while ancillary is (archaic) an auxiliary; a subordinate.

As nouns the difference between support and ancillary

is that support is something which supports often used attributively, as a complement or supplement to while ancillary is something that serves an ancillary function, such as an easel for a painter.

As a verb support

is (senseid)to keep from falling.

As an adjective ancillary is

subordinate; secondary; auxiliary; accessory.

As verbs the difference between commit and support

is that commit is while support is (senseid)to keep from falling.

As a noun support is

something which supports often used attributively, as a complement or supplement to.

As nouns the difference between triangulation and support

is that triangulation is (uncountable) a technique in surveying in which distances and directions are estimated from an accurately measured baseline and the principles of trigonometry while support is something which supports often used attributively, as a complement or supplement to.

As a verb support is

(senseid)to keep from falling.