伸長 （シンチョウ） expansion, extension, elongation, stretching

伸縮 （シンシュク） expansion and contraction, elasticity, flexibility

続伸 （ゾクシン） continuous rise (in market price)

急伸 （キュウシン） sudden rise (esp. of stock prices), jump

伸びる （のびる） to stretch, to extend, to lengthen, to grow (of hair, height, grass, etc.), to straighten out, to be flattened, to become smooth, to spread (of paint, cream, etc.), to stretch out (e.g. of a hand), to extend, to lose elasticity, to become slack, to become soggy (e.g. of noodles), to make progress, to develop, to expand, to increase, to improve, to be exhausted, to get groggy, to be stunned (by a blow), to pass out, to collapse, to be prolonged (of a meeting, life span, etc.), to be extended (e.g. of a deadline), to lengthen (e.g. of the days), to be postponed, to be delayed, to be put off

伸ばす （のばす） to grow long (e.g. hair, nails), to lengthen, to extend, to stretch, to reach out, to hold out, to straighten, to smooth out, to spread evenly (dough, cream, etc.), to dilute, to thin out, to postpone, to prolong, to strengthen, to develop, to expand

延べる （のべる） to lay out (a futon), to make (bed), to spread out, to stretch, to widen, to postpone, to extend

伸す （のす） to stretch, to extend, to lengthen, to spread, to gain influence, to become stronger, to increase (e.g. in scope), to go further, to extend one's journey, to smooth out, to roll out, to spread out (something folded), to iron out (creases), to knock out, to knock down