The following words look similar in spelling, but have very different meanings. See if you can detect the differences in spelling.

कंटक = thorn, कटक = army

खाद = manure, खाघ = food

पक्का = strong, पका = ripe

बद = bad, बंद = closed

बोल = vine, बैल = ox

मंद = slow, मद = intoxication

यत्र = where, यंत्र = machine

मेला = a fair, मैला = dirty

विषद = poisonous, विशद = clear

शम = peace, सम = equal

शौक = fondness, शोक = sorrow

विकाश = display, विकास = development

नियत = appointed, नीयत = intension