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Only twelve words start with ET, and almost half of them run ETH.
H takes the third box in five of the twelve, forty two percent, with U on two and everything else appearing once. Seven letters appear there in total.
ETHIC and ETHOS are the two entries most people would produce, with ETHER close behind. ETHAL and ETHYL are chemical terms and neither is guessable.
So the H branch holds both the useful vocabulary and a couple of dead ends, which is a better hit rate than the rest of the page manages.
ETUDE is the most reachable entry elsewhere, with ETNAS behind it. ETAPE, ETTLE, ETUIS, ETWEE and ETYMA fill out the remainder.
None of those shares a stem with another, so once the H branch is ruled out you are reading a list rather than working a branch.
E closes four of the twelve, thirty three percent, with S on three. The fourth box is flatter still, with A, E and I taking two words each.
Two words repeat a letter. With twelve entries in total, one confirmed box usually settles the whole page.
Both are ordinary words and they differ in the last two boxes. ETHOS is slightly more common in writing.
A small case for needles or trinkets. It is one of two entries here that repeat a letter.
ET is common inside and at the end of English words and rare at the front. Twelve entries is everything the language offers at five letters.