"Shelf" is singular, referring to a single flat surface used for placing items. "Shelves" is the plural form, denoting multiple flat surfaces arranged for storage or display.

"Supposably" means capable of being supposed or imagined, while "supposedly" means according to what is generally assumed or believed. "Supposably" is rarely used, and confusion often arises, but "supposedly" is the correct term for expressing common beliefs or assumptions.

"Armor" is the American English spelling, while "armour" is the British English spelling. Both terms refer to protective covering, such as that worn by knights or used in military vehicles.

"Juice was worth the squeeze" is a colloquial expression that means the effort, time, or resources invested in a particular endeavor have resulted in satisfactory or desirable outcomes, making the overall experience or outcome worthwhile.

The most common abbreviation for industry is "ind." Industry refers to a category of economic activity characterized by the production, manufacturing, or provision of goods and services within a specific sector, contributing to the overall economic development of a society or region.

The most common abbreviation for "communicate" is, unsurprisingly, "comms." It pops up everywhere, from business emails to online forums. It's concise, catchy, and saves precious typing time.

The most common abbreviation for measurement is "meas." "Measurement" is the process of determining the size, quantity, or degree of something using standard units, providing a quantitative understanding of the extent, amount, or dimensions of a particular object, substance, or phenomenon.