to spread out or extend over an area

to range over or be distributed across an area

फैलना

English Usage: The news of the event outspread quickly throughout the town.

Hindi Usage: घटना की खबर जल्दी ही पूरे शहर में फैल गई।

the act of spreading out; an extension or expansion

फैलाव

English Usage: The outspread of the fields was breathtaking at sunset.

Hindi Usage: सूर्यास्त पर खेतों का फैलाव मनमोहक था।