husband
丈 · 3 strokes
Depicts 10 (十) hand-lengths (又): 丈 (~3 meters) is a traditional Chinese unit of length equal to 10 尺 (~0.3 meters). The current use of 丈 as "husband" is a phonetic loan.
夫 · 4 strokes
Pictograph of a man. The top horizontal stroke either distinguishes it from the character 大 or depicts a hairpin, something that was only worn by adults.