1. Written or printed between lines.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• interlinal,
• interlinual,
• interlingal,
• unterlinear,
• jnterlinear,
• knterlinear,
• onterlinear,
• 9nterlinear,
• 8nterlinear,
• ibterlinear,
• imterlinear,
• ijterlinear,
• interlunear,
• interlineas,
• interlinedary,
• interlineary,
• Interviteal,
• Interlynaire,
• intersinar,
• interlieneal

• interlingua,
• interstice,
• intermarry,
• interfering,
• intercalary,
• interleukin,
• internalize,
• interestingly,
• interphone,
• interpose,
• interferon,
• interval,
• interlock,
• international,
• intermediary,
• interconnect,
• interlocutor,
• interfere,
• internal ear,
• interiorise,
• interpellate,
• interesting,
• interlard,
• internalise,
• interlace,
• internment,
• interbrain,
• interrelate,
• interment,
• intertwined,
• inter alia,
• interlink,
• internee,
• intervene,
• interloper,
• intermingle,
• Internode,
• interpolate,
• interlacing,
• interference,
• intermural,
• in theory,
• interlocking,
• intervenor,
• intercalate,
• internist,
• internal,
• intermolecular,
• intermarriage,
• interlope,
• interleave,
• interplanetary,
• Interleaf,
• intertwine,
• intercellular,
• interlayer,
• interlaced,
• interior,
• interlineal,
• internet,
• internecine,
• interminably,
• interminable,
• interlobular,
• interlinking,
• interlanguage,
• interiorize,
• Interpol,
• interlude,
• interface,
• intercede,
• Interlaken,
• interweave.

The adjective form of the word "interlinear" is "interlinear". The adjective form remains the same as the original word.

The plural form of the word "interlinear" is "interlinears".

The singular form of the word "interlinear" is "interlinear". It remains the same in both singular and plural forms.