1. nutritional / nutritious
The adjective nutritional means, “related to the process of nutrition,” that is, using food to support life. Ex. The nutritional value of one egg is the equivalent of one ounce of meat.

The adjective nutritious means “nourishing or healthy to eat.” Ex. A nutritious breakfast can help prevent overeating and snacking later in the day.

2. noisome / noisy
The adjective noisome means, “offensive to the smell or other senses.” Ex. I was repelled by the noisome smell that accompanied the speaker back from the smoking area.

The adjective noisy means, “characterized by the presence of noise.” Ex. Many writers find it difficult to work in a noisy environment.

3. observance / observation
The performance of a customary rite is an observance. Ex. The observance of Memorial Day includes military parades and the placing of flowers on graves. Ex. Do you support moving the observance of Memorial Day to May 30th?

An observation is an act of recognizing and noting some fact or occurrence, often involving the measurement of some magnitude with suitable instruments. Ex. Gallileo’s achievements included the observation and analysis of sunspots.

4. obsolescent / obsolete
Something that is obsolescent is going out of use. Ex. Although still used in 66 percent of US homes, landline telephones are obsolescent.

Something that is obsolete is no longer active or in use. Ex. Mimeograph machines are obsolete.

5. ordinance / ordnance
An ordinance is an official decree. Ex. An ordinance in my town forbids residents to allow pet cats to go outside without a leash.

The term ordnance refers to military supplies including weapons, ammunition, combat vehicles, and the necessary maintenance tools and equipment. Ex. In 1969, he served as a platoon sergeant in the 70th Ordnance Battalion, responsible for maintaining the 5th Infantry Division’s basic load of ammunition.

6. palate / palette / pallet
All three words are pronounced the same.

The roof of the mouth consisting of the structures that separate the mouth from the nasal cavity is called the palate. Figuratively palate refers to the physical sense of taste or to intellectual capacity.

Ex. Ludovico wrote that, given Francesco’s exquisite palate, he chose only fish of the finest quality.
Ex. It may take a well-developed literary palate to fully appreciate, but this miniseries remains an indelible treat.

Painters arrange paint on a palette. Ex. Over the course of more than two decades, I’ve used all kinds of palettes – dishes with little wells, pieces of porcelain tile, old CDs, waxed paper, and water-color paper.

Figuratively, “an artist’s palette” is a distinctive combination of colors. Ex. Vermeer’s seventeenth-century palette did not include many strong colors.

The word pallet may refer to a temporary bed. Ex. At night I slept on a pallet in a corner of Belle’s upstairs room.

The word pallet also applies to “a portable platform of wood, metal, or other material designed for handling by a forklift truck.”

Credit: DWT