The Most selfish one letter word

"I"

Avoid it

The Most satisfying two letter word

" WE "

Use it

The Most poisonous three letter word

"EGO"

Kill it

The most used four letter word

" Love"

Value it

The Most pleasing five letter word

"  Smile"

Keep it

The fastest spreading six letter word

"Rumour"

Ignore it

The hard working seven letter word

"Success"

Achieve it

The most enviable eight letter word

"Jealousy"

Distance it

The Most powerful nine letter word

"Knowledge"

Acquire it

The Most divine ten letter word

"Friendship"

Maintain it