Source: http://www.english-for-students.com/stet.html
Timestamp: 2019-04-25 23:42:45+00:00

Document:
These ROOT-WORDS are STA, STIT, SIST & STET meaning STAND. The reason for these various spellings is simply that the related Latin and Greek roots have varied spellings - stare, sister, stiti, steti, status. All these mean STAND. I notice there is no word with STET on the list. But obSTETries might have been added and there are others. STET, let it remain, is sometimes spelled SEAD. Often the final t in STIT is omitted (as in No.10), for the sake of euphony. Remember?
1.	Assist	:	as SIST (a sist’) v.
2.	Circumstance	:	circum STA nce (sir’ kum stands) n.
3.	Stamina	:	STA mina (stam’ i na) n.
4.	Constant	:	con STA nt (kon’ stand) adj.
5.	Desist	:	de SIST (de zist’) v.
6.	Distant	:	di STA nt (dis’ tant) adj.
7.	Ecstasy	:	ec STA sy (ek’ sta see) n.
8.	Interstices	:	inter STI ces (in ter’ sti seze) n.
9.	Obstacle	:	ob STA cle (ob’ sta k’l) n.
10.	Obstinate	:	ob STI nate (ob’ sti nat) adj.
11.	Persist	:	per SIST (per sist’) v.
12.	Resist	:	re SIST (re zist) v.
13.	Consist	:	con SIST (kon sist’) v.
14.	Stanchion	:	STA nehion (stan’ chun) n.
15.	Standard	:	STA ndard (stan’ dard) n.
16.	Stage	:	STA ge (staje) n.
17.	Subsist	:	sub SIST (sub sist’) v.
18.	Substance	:	sub STA nee (sub’ stands) n.
19.	Substitute	:	sub STI tute (sub’ sti tute) v.

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