Milk to beer in 7 steps:
milk
mill
bill
bell
belt
beat
bear
beer
There is no word like lader. If you meant ladder, the steps of a ladder are called rungs.
rungs
rung
Here is the classic one: (perfect 4 steps) cold cord card/word ward/worm warm
Here is one: (5 steps) work pork port post pest rest
Old English hlǣdder; related to Old High German leitara, meaning steps.
Tagalog Translation of LADDER: hagdan
No, there is no long vowel sound in the word "ladder".
One would be (6 steps) dead lead lend land lane line live
Here is one solution: (4 steps) add aid rid rim rum sum
One version is (6 steps) kale pale pare park perk peek leek
Yes, the word ladder is pronounced with a short a.