Coin, in J.R.R. Tolkien's words

I couldn't find a Quenya word for coin or money.

There are two Sindarin words for coin: mirian (piece of money, coin used in Gondor) and canath ('quarter', silver coin used in Gondor, the fourth part of a mirian).

Thorn, in J.R.R. Tolkien's words

The Quenya word for thorn is nassë (thorn, spike).

The Sindarin words for thorn are êg (thorn) and ereg (holly-tree, thorn).

Smoke, in J.R.R. Tolkien's words

I couldn't find a Quenya word for smoke.

The Sindarin word for smoke is osp (reek, smoke).

Holly, in J.R.R. Tolkien's words

The Quenya word for holly is ercassë.

The Sindarin words for holly are ereg (holly-tree, thorn) and eregdos (holly, holly-tree).

Elm, in J.R.R. Tolkien's words

The Quenya words for elm are alalmë and lalmë.

The Sindarin words for elm are lalorn and lalwen.

Willow, in J.R.R. Tolkien's words

The Quenya words for willow are tasar, tasarë (willow-tree).

The Sindarin word for willow is tathar (willow-tree).

Maple, in J.R.R. Tolkien's words

I didn't find a Quenya word for maple.

The Sindarin word for maple is toss (bush, low-growing tree (as maple, hawthorn, blackthorn, holly, etc.)).

Leaf, in J.R.R. Tolkien's words

The Quenya word for leaf is lassë.

The Sindarin word for leaf is lass.

Chain, in J.R.R. Tolkien's words

In Quenya, Angainor was the name of the chain with which Melkor (who was later known as Morgoth) was bound.

The Sindarin word for chain is angwedh (chain, iron bond).

Net, in J.R.R. Tolkien's words

The Quenya words for net are natsë (web, net), raima (net) and rembë (mesh, hunter's or fisher's net).

The Sindarin words for net are gwî (net, web), raef (net), and rem (mesh, net (especially for catching, hunter's or fisher's net)).

Rope, in J.R.R. Tolkien's words

I couldn't find a Quenya word for rope.

In Sindarin raph means rope, strap.

Thread, in J.R.R. Tolkien's words

The Quenya word lia means fine thread, spider filament.

The Sindarin word lain means thread, and hithlain means mist-thread (a substance used by the Elves of Lothlórien to make strong ropes).

Juice, in J.R.R. Tolkien's words

The Quenya words for juice are sáva (juice) and pirya (juice, syrup).

The Sindarin words for juice are saw (juice) and paich (juice, syrup) (normalized or reconstructed form).

Honey, in J.R.R. Tolkien's words

The Quenya word for honey is lis.

The Sindarin word for honey is glî.

Apple, in J.R.R. Tolkien's words

The Quenya word for apple is orva.

The Sindarin word for apple (small red) is cordof.

Bread, in J.R.R. Tolkien's words

The Quenya word for bread is masta (later sources have massa). Life-bread (or lembas) is coimas.

The Sindarin word for bread is bass or bast. Loaf (of bread) is basgorn. Journey bread made by the Elves is lembas.

Soap, in J.R.R. Tolkien's words

The Quenya word for soap is lipsa.

The Sindarin word for soap is glûdh.

Fur, in J.R.R. Tolkien's words

I didn't find a Quenya word for fur.

In Sindarin the words for fur are heleth (fur, fur-coat) and helf (fur).

Hair, in J.R.R. Tolkien's words

In Quenya the words for hair are fassë (tangled hair, shaggy lock), findë (lock of hair, a tress or plait of hair), findessë (a person's head of hair), and finë (a hair).

In Sindarin the words for hair are fast (shaggy hair), fing (lock of hair), and finnel (braided hair).

Feather, in J.R.R. Tolkien's words

The Quenya word for feather is quessë.

I didn't find a Sindarin word for feather in Hiswelókë's Sindarin dictionary, which is my main Sindarin resource. Although several websites list pess or cess as the Sindarin word for feather.