Silicone and any epoxy will hold in water
Wood glue holds boards together.
glue
Carpenter glue holds wood pieces together. Most carpenter glue is a variety of polyvinyl acetate.
Any wood glue, Elmer's white glue, TiteBond or many others will glue two boards.
I find that tile glue holds longer in emerging structural cracks.
Some types of glue do contain water, such as water-based glues like white glue or wood glue. Water is used as a carrier for the adhesive components in these types of glues. Other types of glue, like super glue or epoxy, do not contain water.
you cant if you only use water and glue you would make glue water.
None of those are ideal . The best wood glue by far is Titebond lll and it's not too pricy.
Durkheim.
PVA Glue.
use glue
Glue can be called anything from a bonding agent to an adhesive the technical name would depend on the glue